Home / 39,681.80-59,522.64-16,291.76

Finding the Fourth Proportional to 39,681.80, 59,522.64 and 16,291.76

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Solution

The fourth proportional to 39,681.80, 59,522.64 and 16,291.76 is: 24,437.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,681.80 : 59,522.64 = 16,291.76 : x
  2. Step 2: Convert to fraction form
    39,681.80/59,522.64 = 16,291.76/x
  3. Step 3: Cross multiply
    39,681.80x = 59,522.64 × 16,291.76
  4. Step 4: Simplify right side
    39,681.80x = 969,728,565.45
  5. Step 5: Solve for x
    x = 969,728,565.45/39,681.80
  6. Step 6: Final answer
    x = 24,437.62

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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.