Home / 31,398.72-43,337.76-23,956.80

Finding the Fourth Proportional to 31,398.72, 43,337.76 and 23,956.80

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Solution

The fourth proportional to 31,398.72, 43,337.76 and 23,956.80 is: 33,066.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,398.72 : 43,337.76 = 23,956.80 : x
  2. Step 2: Convert to fraction form
    31,398.72/43,337.76 = 23,956.80/x
  3. Step 3: Cross multiply
    31,398.72x = 43,337.76 × 23,956.80
  4. Step 4: Simplify right side
    31,398.72x = 1,038,234,048.77
  5. Step 5: Solve for x
    x = 1,038,234,048.77/31,398.72
  6. Step 6: Final answer
    x = 33,066.13

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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.