Home / 52,681.50-78,926.55-30,447.92

Finding the Fourth Proportional to 52,681.50, 78,926.55 and 30,447.92

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Solution

The fourth proportional to 52,681.50, 78,926.55 and 30,447.92 is: 45,616.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,681.50 : 78,926.55 = 30,447.92 : x
  2. Step 2: Convert to fraction form
    52,681.50/78,926.55 = 30,447.92/x
  3. Step 3: Cross multiply
    52,681.50x = 78,926.55 × 30,447.92
  4. Step 4: Simplify right side
    52,681.50x = 2,403,148,885.64
  5. Step 5: Solve for x
    x = 2,403,148,885.64/52,681.50
  6. Step 6: Final answer
    x = 45,616.56

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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.