Home / 40,539.02-55,982.34-38,330.15

Finding the Fourth Proportional to 40,539.02, 55,982.34 and 38,330.15

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Solution

The fourth proportional to 40,539.02, 55,982.34 and 38,330.15 is: 52,932.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,539.02 : 55,982.34 = 38,330.15 : x
  2. Step 2: Convert to fraction form
    40,539.02/55,982.34 = 38,330.15/x
  3. Step 3: Cross multiply
    40,539.02x = 55,982.34 × 38,330.15
  4. Step 4: Simplify right side
    40,539.02x = 2,145,811,209.64
  5. Step 5: Solve for x
    x = 2,145,811,209.64/40,539.02
  6. Step 6: Final answer
    x = 52,932.00

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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.