Home / 45,417.28-68,125.60-17,715.28

Finding the Fourth Proportional to 45,417.28, 68,125.60 and 17,715.28

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Solution

The fourth proportional to 45,417.28, 68,125.60 and 17,715.28 is: 26,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,417.28 : 68,125.60 = 17,715.28 : x
  2. Step 2: Convert to fraction form
    45,417.28/68,125.60 = 17,715.28/x
  3. Step 3: Cross multiply
    45,417.28x = 68,125.60 × 17,715.28
  4. Step 4: Simplify right side
    45,417.28x = 1,206,864,079.17
  5. Step 5: Solve for x
    x = 1,206,864,079.17/45,417.28
  6. Step 6: Final answer
    x = 26,572.80

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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.