Home / 42,342.78-63,522.66-14,261.70

Finding the Fourth Proportional to 42,342.78, 63,522.66 and 14,261.70

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Solution

The fourth proportional to 42,342.78, 63,522.66 and 14,261.70 is: 21,395.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,342.78 : 63,522.66 = 14,261.70 : x
  2. Step 2: Convert to fraction form
    42,342.78/63,522.66 = 14,261.70/x
  3. Step 3: Cross multiply
    42,342.78x = 63,522.66 × 14,261.70
  4. Step 4: Simplify right side
    42,342.78x = 905,941,120.12
  5. Step 5: Solve for x
    x = 905,941,120.12/42,342.78
  6. Step 6: Final answer
    x = 21,395.41

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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.