Home / 31,527.64-47,302.62-13,995.88

Finding the Fourth Proportional to 31,527.64, 47,302.62 and 13,995.88

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Solution

The fourth proportional to 31,527.64, 47,302.62 and 13,995.88 is: 20,998.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,527.64 : 47,302.62 = 13,995.88 : x
  2. Step 2: Convert to fraction form
    31,527.64/47,302.62 = 13,995.88/x
  3. Step 3: Cross multiply
    31,527.64x = 47,302.62 × 13,995.88
  4. Step 4: Simplify right side
    31,527.64x = 662,041,793.21
  5. Step 5: Solve for x
    x = 662,041,793.21/31,527.64
  6. Step 6: Final answer
    x = 20,998.77

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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.