Home / 42,621.28-63,934.84-14,534

Finding the Fourth Proportional to 42,621.28, 63,934.84 and 14,534

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Solution

The fourth proportional to 42,621.28, 63,934.84 and 14,534 is: 21,802.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,621.28 : 63,934.84 = 14,534 : x
  2. Step 2: Convert to fraction form
    42,621.28/63,934.84 = 14,534/x
  3. Step 3: Cross multiply
    42,621.28x = 63,934.84 × 14,534
  4. Step 4: Simplify right side
    42,621.28x = 929,228,964.56
  5. Step 5: Solve for x
    x = 929,228,964.56/42,621.28
  6. Step 6: Final answer
    x = 21,802.00

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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.