Home / 42,165.93-63,250.92-12,586.08

Finding the Fourth Proportional to 42,165.93, 63,250.92 and 12,586.08

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Solution

The fourth proportional to 42,165.93, 63,250.92 and 12,586.08 is: 18,879.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,165.93 : 63,250.92 = 12,586.08 : x
  2. Step 2: Convert to fraction form
    42,165.93/63,250.92 = 12,586.08/x
  3. Step 3: Cross multiply
    42,165.93x = 63,250.92 × 12,586.08
  4. Step 4: Simplify right side
    42,165.93x = 796,081,139.19
  5. Step 5: Solve for x
    x = 796,081,139.19/42,165.93
  6. Step 6: Final answer
    x = 18,879.72

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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.