Home / 38,921.15-58,397.93-19,199.95

Finding the Fourth Proportional to 38,921.15, 58,397.93 and 19,199.95

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Solution

The fourth proportional to 38,921.15, 58,397.93 and 19,199.95 is: 28,807.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,921.15 : 58,397.93 = 19,199.95 : x
  2. Step 2: Convert to fraction form
    38,921.15/58,397.93 = 19,199.95/x
  3. Step 3: Cross multiply
    38,921.15x = 58,397.93 × 19,199.95
  4. Step 4: Simplify right side
    38,921.15x = 1,121,237,336.10
  5. Step 5: Solve for x
    x = 1,121,237,336.10/38,921.15
  6. Step 6: Final answer
    x = 28,807.92

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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.