Home / 47,424.18-65,454.42-31,263.12

Finding the Fourth Proportional to 47,424.18, 65,454.42 and 31,263.12

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Solution

The fourth proportional to 47,424.18, 65,454.42 and 31,263.12 is: 43,149.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,424.18 : 65,454.42 = 31,263.12 : x
  2. Step 2: Convert to fraction form
    47,424.18/65,454.42 = 31,263.12/x
  3. Step 3: Cross multiply
    47,424.18x = 65,454.42 × 31,263.12
  4. Step 4: Simplify right side
    47,424.18x = 2,046,309,386.99
  5. Step 5: Solve for x
    x = 2,046,309,386.99/47,424.18
  6. Step 6: Final answer
    x = 43,149.07

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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.