Home / 39,442.42-59,199.17-28,778.36

Finding the Fourth Proportional to 39,442.42, 59,199.17 and 28,778.36

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Solution

The fourth proportional to 39,442.42, 59,199.17 and 28,778.36 is: 43,193.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,442.42 : 59,199.17 = 28,778.36 : x
  2. Step 2: Convert to fraction form
    39,442.42/59,199.17 = 28,778.36/x
  3. Step 3: Cross multiply
    39,442.42x = 59,199.17 × 28,778.36
  4. Step 4: Simplify right side
    39,442.42x = 1,703,655,030.07
  5. Step 5: Solve for x
    x = 1,703,655,030.07/39,442.42
  6. Step 6: Final answer
    x = 43,193.47

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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.