Home / 42,445.71-63,602.10-26,830.53

Finding the Fourth Proportional to 42,445.71, 63,602.10 and 26,830.53

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Solution

The fourth proportional to 42,445.71, 63,602.10 and 26,830.53 is: 40,203.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,445.71 : 63,602.10 = 26,830.53 : x
  2. Step 2: Convert to fraction form
    42,445.71/63,602.10 = 26,830.53/x
  3. Step 3: Cross multiply
    42,445.71x = 63,602.10 × 26,830.53
  4. Step 4: Simplify right side
    42,445.71x = 1,706,478,052.11
  5. Step 5: Solve for x
    x = 1,706,478,052.11/42,445.71
  6. Step 6: Final answer
    x = 40,203.78

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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.