Home / 46,486.04-69,729.18-18,412.70

Finding the Fourth Proportional to 46,486.04, 69,729.18 and 18,412.70

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Solution

The fourth proportional to 46,486.04, 69,729.18 and 18,412.70 is: 27,619.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,486.04 : 69,729.18 = 18,412.70 : x
  2. Step 2: Convert to fraction form
    46,486.04/69,729.18 = 18,412.70/x
  3. Step 3: Cross multiply
    46,486.04x = 69,729.18 × 18,412.70
  4. Step 4: Simplify right side
    46,486.04x = 1,283,902,472.59
  5. Step 5: Solve for x
    x = 1,283,902,472.59/46,486.04
  6. Step 6: Final answer
    x = 27,619.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.