Home / 54,139.04-74,710.63-30,267.93

Finding the Fourth Proportional to 54,139.04, 74,710.63 and 30,267.93

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Solution

The fourth proportional to 54,139.04, 74,710.63 and 30,267.93 is: 41,769.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,139.04 : 74,710.63 = 30,267.93 : x
  2. Step 2: Convert to fraction form
    54,139.04/74,710.63 = 30,267.93/x
  3. Step 3: Cross multiply
    54,139.04x = 74,710.63 × 30,267.93
  4. Step 4: Simplify right side
    54,139.04x = 2,261,336,119.10
  5. Step 5: Solve for x
    x = 2,261,336,119.10/54,139.04
  6. Step 6: Final answer
    x = 41,769.05

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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.