Home / 49,897.14-74,780.88-20,280.48

Finding the Fourth Proportional to 49,897.14, 74,780.88 and 20,280.48

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Solution

The fourth proportional to 49,897.14, 74,780.88 and 20,280.48 is: 30,394.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,897.14 : 74,780.88 = 20,280.48 : x
  2. Step 2: Convert to fraction form
    49,897.14/74,780.88 = 20,280.48/x
  3. Step 3: Cross multiply
    49,897.14x = 74,780.88 × 20,280.48
  4. Step 4: Simplify right side
    49,897.14x = 1,516,592,141.22
  5. Step 5: Solve for x
    x = 1,516,592,141.22/49,897.14
  6. Step 6: Final answer
    x = 30,394.37

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1.5x scale

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.