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Finding the Fourth Proportional to 31,499.70, 47,200.95 and 27,320.10

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Solution

The fourth proportional to 31,499.70, 47,200.95 and 27,320.10 is: 40,938.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,499.70 : 47,200.95 = 27,320.10 : x
  2. Step 2: Convert to fraction form
    31,499.70/47,200.95 = 27,320.10/x
  3. Step 3: Cross multiply
    31,499.70x = 47,200.95 × 27,320.10
  4. Step 4: Simplify right side
    31,499.70x = 1,289,534,674.10
  5. Step 5: Solve for x
    x = 1,289,534,674.10/31,499.70
  6. Step 6: Final answer
    x = 40,938.00

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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.