Home / 49,570.52-74,364.01-19,985.87

Finding the Fourth Proportional to 49,570.52, 74,364.01 and 19,985.87

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Solution

The fourth proportional to 49,570.52, 74,364.01 and 19,985.87 is: 29,982.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,570.52 : 74,364.01 = 19,985.87 : x
  2. Step 2: Convert to fraction form
    49,570.52/74,364.01 = 19,985.87/x
  3. Step 3: Cross multiply
    49,570.52x = 74,364.01 × 19,985.87
  4. Step 4: Simplify right side
    49,570.52x = 1,486,229,572.48
  5. Step 5: Solve for x
    x = 1,486,229,572.48/49,570.52
  6. Step 6: Final answer
    x = 29,982.13

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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.