Home / 58,190.40-87,285.60-40,475.70

Finding the Fourth Proportional to 58,190.40, 87,285.60 and 40,475.70

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Solution

The fourth proportional to 58,190.40, 87,285.60 and 40,475.70 is: 60,713.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,190.40 : 87,285.60 = 40,475.70 : x
  2. Step 2: Convert to fraction form
    58,190.40/87,285.60 = 40,475.70/x
  3. Step 3: Cross multiply
    58,190.40x = 87,285.60 × 40,475.70
  4. Step 4: Simplify right side
    58,190.40x = 3,532,945,759.92
  5. Step 5: Solve for x
    x = 3,532,945,759.92/58,190.40
  6. Step 6: Final answer
    x = 60,713.55

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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.