Home / 31,988.16-48,007.36-20,892.16

Finding the Fourth Proportional to 31,988.16, 48,007.36 and 20,892.16

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Solution

The fourth proportional to 31,988.16, 48,007.36 and 20,892.16 is: 31,354.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,988.16 : 48,007.36 = 20,892.16 : x
  2. Step 2: Convert to fraction form
    31,988.16/48,007.36 = 20,892.16/x
  3. Step 3: Cross multiply
    31,988.16x = 48,007.36 × 20,892.16
  4. Step 4: Simplify right side
    31,988.16x = 1,002,977,446.30
  5. Step 5: Solve for x
    x = 1,002,977,446.30/31,988.16
  6. Step 6: Final answer
    x = 31,354.65

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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.