Home / 40,748.18-61,139.81-22,041.36

Finding the Fourth Proportional to 40,748.18, 61,139.81 and 22,041.36

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Solution

The fourth proportional to 40,748.18, 61,139.81 and 22,041.36 is: 33,071.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,748.18 : 61,139.81 = 22,041.36 : x
  2. Step 2: Convert to fraction form
    40,748.18/61,139.81 = 22,041.36/x
  3. Step 3: Cross multiply
    40,748.18x = 61,139.81 × 22,041.36
  4. Step 4: Simplify right side
    40,748.18x = 1,347,604,452.33
  5. Step 5: Solve for x
    x = 1,347,604,452.33/40,748.18
  6. Step 6: Final answer
    x = 33,071.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.