Home / 47,254.87-65,182.88-28,121.81

Finding the Fourth Proportional to 47,254.87, 65,182.88 and 28,121.81

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Solution

The fourth proportional to 47,254.87, 65,182.88 and 28,121.81 is: 38,790.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,254.87 : 65,182.88 = 28,121.81 : x
  2. Step 2: Convert to fraction form
    47,254.87/65,182.88 = 28,121.81/x
  3. Step 3: Cross multiply
    47,254.87x = 65,182.88 × 28,121.81
  4. Step 4: Simplify right side
    47,254.87x = 1,833,060,566.61
  5. Step 5: Solve for x
    x = 1,833,060,566.61/47,254.87
  6. Step 6: Final answer
    x = 38,790.93

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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.