Home / 40,001.80-55,182.90-25,866.76

Finding the Fourth Proportional to 40,001.80, 55,182.90 and 25,866.76

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Solution

The fourth proportional to 40,001.80, 55,182.90 and 25,866.76 is: 35,683.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,001.80 : 55,182.90 = 25,866.76 : x
  2. Step 2: Convert to fraction form
    40,001.80/55,182.90 = 25,866.76/x
  3. Step 3: Cross multiply
    40,001.80x = 55,182.90 × 25,866.76
  4. Step 4: Simplify right side
    40,001.80x = 1,427,402,830.40
  5. Step 5: Solve for x
    x = 1,427,402,830.40/40,001.80
  6. Step 6: Final answer
    x = 35,683.47

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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.