Home / 55,724.63-76,901.40-30,574.13

Finding the Fourth Proportional to 55,724.63, 76,901.40 and 30,574.13

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Solution

The fourth proportional to 55,724.63, 76,901.40 and 30,574.13 is: 42,193.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,724.63 : 76,901.40 = 30,574.13 : x
  2. Step 2: Convert to fraction form
    55,724.63/76,901.40 = 30,574.13/x
  3. Step 3: Cross multiply
    55,724.63x = 76,901.40 × 30,574.13
  4. Step 4: Simplify right side
    55,724.63x = 2,351,193,016.28
  5. Step 5: Solve for x
    x = 2,351,193,016.28/55,724.63
  6. Step 6: Final answer
    x = 42,193.07

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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.