Home / 47,390.76-65,406.60-29,252.07

Finding the Fourth Proportional to 47,390.76, 65,406.60 and 29,252.07

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Solution

The fourth proportional to 47,390.76, 65,406.60 and 29,252.07 is: 40,372.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,390.76 : 65,406.60 = 29,252.07 : x
  2. Step 2: Convert to fraction form
    47,390.76/65,406.60 = 29,252.07/x
  3. Step 3: Cross multiply
    47,390.76x = 65,406.60 × 29,252.07
  4. Step 4: Simplify right side
    47,390.76x = 1,913,278,441.66
  5. Step 5: Solve for x
    x = 1,913,278,441.66/47,390.76
  6. Step 6: Final answer
    x = 40,372.39

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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.