Home / 31,207.75-43,066.70-17,060.70

Finding the Fourth Proportional to 31,207.75, 43,066.70 and 17,060.70

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Solution

The fourth proportional to 31,207.75, 43,066.70 and 17,060.70 is: 23,543.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,207.75 : 43,066.70 = 17,060.70 : x
  2. Step 2: Convert to fraction form
    31,207.75/43,066.70 = 17,060.70/x
  3. Step 3: Cross multiply
    31,207.75x = 43,066.70 × 17,060.70
  4. Step 4: Simplify right side
    31,207.75x = 734,748,048.69
  5. Step 5: Solve for x
    x = 734,748,048.69/31,207.75
  6. Step 6: Final answer
    x = 23,543.77

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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.