Home / 52,640.16-72,720.25-45,554.28

Finding the Fourth Proportional to 52,640.16, 72,720.25 and 45,554.28

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Solution

The fourth proportional to 52,640.16, 72,720.25 and 45,554.28 is: 62,931.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,640.16 : 72,720.25 = 45,554.28 : x
  2. Step 2: Convert to fraction form
    52,640.16/72,720.25 = 45,554.28/x
  3. Step 3: Cross multiply
    52,640.16x = 72,720.25 × 45,554.28
  4. Step 4: Simplify right side
    52,640.16x = 3,312,718,516.28
  5. Step 5: Solve for x
    x = 3,312,718,516.28/52,640.16
  6. Step 6: Final answer
    x = 62,931.39

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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.