Home / 55,312.27-83,051.21-31,646.50

Finding the Fourth Proportional to 55,312.27, 83,051.21 and 31,646.50

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Solution

The fourth proportional to 55,312.27, 83,051.21 and 31,646.50 is: 47,517.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,312.27 : 83,051.21 = 31,646.50 : x
  2. Step 2: Convert to fraction form
    55,312.27/83,051.21 = 31,646.50/x
  3. Step 3: Cross multiply
    55,312.27x = 83,051.21 × 31,646.50
  4. Step 4: Simplify right side
    55,312.27x = 2,628,279,944.25
  5. Step 5: Solve for x
    x = 2,628,279,944.25/55,312.27
  6. Step 6: Final answer
    x = 47,517.13

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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.