Home / 42,644.70-63,651.20-40,018.14

Finding the Fourth Proportional to 42,644.70, 63,651.20 and 40,018.14

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Solution

The fourth proportional to 42,644.70, 63,651.20 and 40,018.14 is: 59,730.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,644.70 : 63,651.20 = 40,018.14 : x
  2. Step 2: Convert to fraction form
    42,644.70/63,651.20 = 40,018.14/x
  3. Step 3: Cross multiply
    42,644.70x = 63,651.20 × 40,018.14
  4. Step 4: Simplify right side
    42,644.70x = 2,547,202,432.68
  5. Step 5: Solve for x
    x = 2,547,202,432.68/42,644.70
  6. Step 6: Final answer
    x = 59,730.81

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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.