Home / 58,280.20-87,420.30-30,574.60

Finding the Fourth Proportional to 58,280.20, 87,420.30 and 30,574.60

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Solution

The fourth proportional to 58,280.20, 87,420.30 and 30,574.60 is: 45,861.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,280.20 : 87,420.30 = 30,574.60 : x
  2. Step 2: Convert to fraction form
    58,280.20/87,420.30 = 30,574.60/x
  3. Step 3: Cross multiply
    58,280.20x = 87,420.30 × 30,574.60
  4. Step 4: Simplify right side
    58,280.20x = 2,672,840,704.38
  5. Step 5: Solve for x
    x = 2,672,840,704.38/58,280.20
  6. Step 6: Final answer
    x = 45,861.90

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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.