Home / 42,419.54-63,625.18-21,351.18

Finding the Fourth Proportional to 42,419.54, 63,625.18 and 21,351.18

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Solution

The fourth proportional to 42,419.54, 63,625.18 and 21,351.18 is: 32,024.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,419.54 : 63,625.18 = 21,351.18 : x
  2. Step 2: Convert to fraction form
    42,419.54/63,625.18 = 21,351.18/x
  3. Step 3: Cross multiply
    42,419.54x = 63,625.18 × 21,351.18
  4. Step 4: Simplify right side
    42,419.54x = 1,358,472,670.71
  5. Step 5: Solve for x
    x = 1,358,472,670.71/42,419.54
  6. Step 6: Final answer
    x = 32,024.69

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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.