Home / 50,646.18-69,891.30-27,985.10

Finding the Fourth Proportional to 50,646.18, 69,891.30 and 27,985.10

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Solution

The fourth proportional to 50,646.18, 69,891.30 and 27,985.10 is: 38,619.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,646.18 : 69,891.30 = 27,985.10 : x
  2. Step 2: Convert to fraction form
    50,646.18/69,891.30 = 27,985.10/x
  3. Step 3: Cross multiply
    50,646.18x = 69,891.30 × 27,985.10
  4. Step 4: Simplify right side
    50,646.18x = 1,955,915,019.63
  5. Step 5: Solve for x
    x = 1,955,915,019.63/50,646.18
  6. Step 6: Final answer
    x = 38,619.20

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Double scale
Find fourth proportional to 50,647.18, 69,892.68 and 27,986.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.