Home / 39,118.08-58,678.10-12,463.63

Finding the Fourth Proportional to 39,118.08, 58,678.10 and 12,463.63

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Solution

The fourth proportional to 39,118.08, 58,678.10 and 12,463.63 is: 18,695.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,118.08 : 58,678.10 = 12,463.63 : x
  2. Step 2: Convert to fraction form
    39,118.08/58,678.10 = 12,463.63/x
  3. Step 3: Cross multiply
    39,118.08x = 58,678.10 × 12,463.63
  4. Step 4: Simplify right side
    39,118.08x = 731,342,127.50
  5. Step 5: Solve for x
    x = 731,342,127.50/39,118.08
  6. Step 6: Final answer
    x = 18,695.76

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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.