Home / 31,475.79-47,214.90-11,752.29

Finding the Fourth Proportional to 31,475.79, 47,214.90 and 11,752.29

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Solution

The fourth proportional to 31,475.79, 47,214.90 and 11,752.29 is: 17,628.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,475.79 : 47,214.90 = 11,752.29 : x
  2. Step 2: Convert to fraction form
    31,475.79/47,214.90 = 11,752.29/x
  3. Step 3: Cross multiply
    31,475.79x = 47,214.90 × 11,752.29
  4. Step 4: Simplify right side
    31,475.79x = 554,883,197.12
  5. Step 5: Solve for x
    x = 554,883,197.12/31,475.79
  6. Step 6: Final answer
    x = 17,628.89

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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.