Home / 43,149.28-59,516.40-26,390.56

Finding the Fourth Proportional to 43,149.28, 59,516.40 and 26,390.56

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Solution

The fourth proportional to 43,149.28, 59,516.40 and 26,390.56 is: 36,400.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,149.28 : 59,516.40 = 26,390.56 : x
  2. Step 2: Convert to fraction form
    43,149.28/59,516.40 = 26,390.56/x
  3. Step 3: Cross multiply
    43,149.28x = 59,516.40 × 26,390.56
  4. Step 4: Simplify right side
    43,149.28x = 1,570,671,125.18
  5. Step 5: Solve for x
    x = 1,570,671,125.18/43,149.28
  6. Step 6: Final answer
    x = 36,400.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.