Home / 47,641.61-65,743.17-26,420.42

Finding the Fourth Proportional to 47,641.61, 65,743.17 and 26,420.42

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Solution

The fourth proportional to 47,641.61, 65,743.17 and 26,420.42 is: 36,458.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,641.61 : 65,743.17 = 26,420.42 : x
  2. Step 2: Convert to fraction form
    47,641.61/65,743.17 = 26,420.42/x
  3. Step 3: Cross multiply
    47,641.61x = 65,743.17 × 26,420.42
  4. Step 4: Simplify right side
    47,641.61x = 1,736,962,163.53
  5. Step 5: Solve for x
    x = 1,736,962,163.53/47,641.61
  6. Step 6: Final answer
    x = 36,458.93

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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.