Home / 39,711.64-54,802.98-22,717.48

Finding the Fourth Proportional to 39,711.64, 54,802.98 and 22,717.48

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Solution

The fourth proportional to 39,711.64, 54,802.98 and 22,717.48 is: 31,350.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,711.64 : 54,802.98 = 22,717.48 : x
  2. Step 2: Convert to fraction form
    39,711.64/54,802.98 = 22,717.48/x
  3. Step 3: Cross multiply
    39,711.64x = 54,802.98 × 22,717.48
  4. Step 4: Simplify right side
    39,711.64x = 1,244,985,602.09
  5. Step 5: Solve for x
    x = 1,244,985,602.09/39,711.64
  6. Step 6: Final answer
    x = 31,350.65

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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.