Home / 60,018.74-90,032.49-20,575.52

Finding the Fourth Proportional to 60,018.74, 90,032.49 and 20,575.52

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Solution

The fourth proportional to 60,018.74, 90,032.49 and 20,575.52 is: 30,864.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,018.74 : 90,032.49 = 20,575.52 : x
  2. Step 2: Convert to fraction form
    60,018.74/90,032.49 = 20,575.52/x
  3. Step 3: Cross multiply
    60,018.74x = 90,032.49 × 20,575.52
  4. Step 4: Simplify right side
    60,018.74x = 1,852,465,298.64
  5. Step 5: Solve for x
    x = 1,852,465,298.64/60,018.74
  6. Step 6: Final answer
    x = 30,864.78

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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.