Home / 42,352.30-63,534.31-14,280.39

Finding the Fourth Proportional to 42,352.30, 63,534.31 and 14,280.39

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Solution

The fourth proportional to 42,352.30, 63,534.31 and 14,280.39 is: 21,422.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,352.30 : 63,534.31 = 14,280.39 : x
  2. Step 2: Convert to fraction form
    42,352.30/63,534.31 = 14,280.39/x
  3. Step 3: Cross multiply
    42,352.30x = 63,534.31 × 14,280.39
  4. Step 4: Simplify right side
    42,352.30x = 907,294,725.18
  5. Step 5: Solve for x
    x = 907,294,725.18/42,352.30
  6. Step 6: Final answer
    x = 21,422.56

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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.