Home / 42,366.46-63,505.34-14,276.80

Finding the Fourth Proportional to 42,366.46, 63,505.34 and 14,276.80

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Solution

The fourth proportional to 42,366.46, 63,505.34 and 14,276.80 is: 21,400.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,366.46 : 63,505.34 = 14,276.80 : x
  2. Step 2: Convert to fraction form
    42,366.46/63,505.34 = 14,276.80/x
  3. Step 3: Cross multiply
    42,366.46x = 63,505.34 × 14,276.80
  4. Step 4: Simplify right side
    42,366.46x = 906,653,038.11
  5. Step 5: Solve for x
    x = 906,653,038.11/42,366.46
  6. Step 6: Final answer
    x = 21,400.25

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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.