Home / 38,959.64-58,445.61-12,658.24

Finding the Fourth Proportional to 38,959.64, 58,445.61 and 12,658.24

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Solution

The fourth proportional to 38,959.64, 58,445.61 and 12,658.24 is: 18,989.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,959.64 : 58,445.61 = 12,658.24 : x
  2. Step 2: Convert to fraction form
    38,959.64/58,445.61 = 12,658.24/x
  3. Step 3: Cross multiply
    38,959.64x = 58,445.61 × 12,658.24
  4. Step 4: Simplify right side
    38,959.64x = 739,818,558.33
  5. Step 5: Solve for x
    x = 739,818,558.33/38,959.64
  6. Step 6: Final answer
    x = 18,989.36

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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.