Home / 51,711.84-77,574.72-16,643.04

Finding the Fourth Proportional to 51,711.84, 77,574.72 and 16,643.04

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Solution

The fourth proportional to 51,711.84, 77,574.72 and 16,643.04 is: 24,966.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,711.84 : 77,574.72 = 16,643.04 : x
  2. Step 2: Convert to fraction form
    51,711.84/77,574.72 = 16,643.04/x
  3. Step 3: Cross multiply
    51,711.84x = 77,574.72 × 16,643.04
  4. Step 4: Simplify right side
    51,711.84x = 1,291,079,167.95
  5. Step 5: Solve for x
    x = 1,291,079,167.95/51,711.84
  6. Step 6: Final answer
    x = 24,966.80

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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.