Home / 42,527.20-63,639.60-37,040.80

Finding the Fourth Proportional to 42,527.20, 63,639.60 and 37,040.80

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Solution

The fourth proportional to 42,527.20, 63,639.60 and 37,040.80 is: 55,429.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,527.20 : 63,639.60 = 37,040.80 : x
  2. Step 2: Convert to fraction form
    42,527.20/63,639.60 = 37,040.80/x
  3. Step 3: Cross multiply
    42,527.20x = 63,639.60 × 37,040.80
  4. Step 4: Simplify right side
    42,527.20x = 2,357,261,695.68
  5. Step 5: Solve for x
    x = 2,357,261,695.68/42,527.20
  6. Step 6: Final answer
    x = 55,429.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.