Home / 39,266.68-58,882.38-12,607.72

Finding the Fourth Proportional to 39,266.68, 58,882.38 and 12,607.72

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Solution

The fourth proportional to 39,266.68, 58,882.38 and 12,607.72 is: 18,905.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,266.68 : 58,882.38 = 12,607.72 : x
  2. Step 2: Convert to fraction form
    39,266.68/58,882.38 = 12,607.72/x
  3. Step 3: Cross multiply
    39,266.68x = 58,882.38 × 12,607.72
  4. Step 4: Simplify right side
    39,266.68x = 742,372,559.97
  5. Step 5: Solve for x
    x = 742,372,559.97/39,266.68
  6. Step 6: Final answer
    x = 18,905.92

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1.5x scale

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.