Home / 42,636.70-63,639.28-40,010.14

Finding the Fourth Proportional to 42,636.70, 63,639.28 and 40,010.14

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Solution

The fourth proportional to 42,636.70, 63,639.28 and 40,010.14 is: 59,718.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,636.70 : 63,639.28 = 40,010.14 : x
  2. Step 2: Convert to fraction form
    42,636.70/63,639.28 = 40,010.14/x
  3. Step 3: Cross multiply
    42,636.70x = 63,639.28 × 40,010.14
  4. Step 4: Simplify right side
    42,636.70x = 2,546,216,502.30
  5. Step 5: Solve for x
    x = 2,546,216,502.30/42,636.70
  6. Step 6: Final answer
    x = 59,718.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.