Home / 39,909.09-55,036.10-26,272.71

Finding the Fourth Proportional to 39,909.09, 55,036.10 and 26,272.71

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Solution

The fourth proportional to 39,909.09, 55,036.10 and 26,272.71 is: 36,231.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,909.09 : 55,036.10 = 26,272.71 : x
  2. Step 2: Convert to fraction form
    39,909.09/55,036.10 = 26,272.71/x
  3. Step 3: Cross multiply
    39,909.09x = 55,036.10 × 26,272.71
  4. Step 4: Simplify right side
    39,909.09x = 1,445,947,363.47
  5. Step 5: Solve for x
    x = 1,445,947,363.47/39,909.09
  6. Step 6: Final answer
    x = 36,231.03

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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.