Home / 29,145.60-43,718.40-12,502.80

Finding the Fourth Proportional to 29,145.60, 43,718.40 and 12,502.80

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Solution

The fourth proportional to 29,145.60, 43,718.40 and 12,502.80 is: 18,754.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,145.60 : 43,718.40 = 12,502.80 : x
  2. Step 2: Convert to fraction form
    29,145.60/43,718.40 = 12,502.80/x
  3. Step 3: Cross multiply
    29,145.60x = 43,718.40 × 12,502.80
  4. Step 4: Simplify right side
    29,145.60x = 546,602,411.52
  5. Step 5: Solve for x
    x = 546,602,411.52/29,145.60
  6. Step 6: Final answer
    x = 18,754.20

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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.