Home / 58,406.56-80,519.60-40,470.72

Finding the Fourth Proportional to 58,406.56, 80,519.60 and 40,470.72

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Solution

The fourth proportional to 58,406.56, 80,519.60 and 40,470.72 is: 55,793.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,406.56 : 80,519.60 = 40,470.72 : x
  2. Step 2: Convert to fraction form
    58,406.56/80,519.60 = 40,470.72/x
  3. Step 3: Cross multiply
    58,406.56x = 80,519.60 × 40,470.72
  4. Step 4: Simplify right side
    58,406.56x = 3,258,686,186.11
  5. Step 5: Solve for x
    x = 3,258,686,186.11/58,406.56
  6. Step 6: Final answer
    x = 55,793.15

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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.