Home / 31,500.80-47,321.60-26,316.80

Finding the Fourth Proportional to 31,500.80, 47,321.60 and 26,316.80

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Solution

The fourth proportional to 31,500.80, 47,321.60 and 26,316.80 is: 39,534.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,500.80 : 47,321.60 = 26,316.80 : x
  2. Step 2: Convert to fraction form
    31,500.80/47,321.60 = 26,316.80/x
  3. Step 3: Cross multiply
    31,500.80x = 47,321.60 × 26,316.80
  4. Step 4: Simplify right side
    31,500.80x = 1,245,353,082.88
  5. Step 5: Solve for x
    x = 1,245,353,082.88/31,500.80
  6. Step 6: Final answer
    x = 39,534.01

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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.