Home / 31,207.78-43,066.89-17,060.63

Finding the Fourth Proportional to 31,207.78, 43,066.89 and 17,060.63

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Solution

The fourth proportional to 31,207.78, 43,066.89 and 17,060.63 is: 23,543.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,207.78 : 43,066.89 = 17,060.63 : x
  2. Step 2: Convert to fraction form
    31,207.78/43,066.89 = 17,060.63/x
  3. Step 3: Cross multiply
    31,207.78x = 43,066.89 × 17,060.63
  4. Step 4: Simplify right side
    31,207.78x = 734,748,060.21
  5. Step 5: Solve for x
    x = 734,748,060.21/31,207.78
  6. Step 6: Final answer
    x = 23,543.75

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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.