Home / 35,719.10-49,282.40-28,141.95

Finding the Fourth Proportional to 35,719.10, 49,282.40 and 28,141.95

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Solution

The fourth proportional to 35,719.10, 49,282.40 and 28,141.95 is: 38,828.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,719.10 : 49,282.40 = 28,141.95 : x
  2. Step 2: Convert to fraction form
    35,719.10/49,282.40 = 28,141.95/x
  3. Step 3: Cross multiply
    35,719.10x = 49,282.40 × 28,141.95
  4. Step 4: Simplify right side
    35,719.10x = 1,386,902,695.97
  5. Step 5: Solve for x
    x = 1,386,902,695.97/35,719.10
  6. Step 6: Final answer
    x = 38,828.05

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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.