Home / 63,278.20-94,918.14-18,894.76

Finding the Fourth Proportional to 63,278.20, 94,918.14 and 18,894.76

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Solution

The fourth proportional to 63,278.20, 94,918.14 and 18,894.76 is: 28,342.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,278.20 : 94,918.14 = 18,894.76 : x
  2. Step 2: Convert to fraction form
    63,278.20/94,918.14 = 18,894.76/x
  3. Step 3: Cross multiply
    63,278.20x = 94,918.14 × 18,894.76
  4. Step 4: Simplify right side
    63,278.20x = 1,793,455,474.95
  5. Step 5: Solve for x
    x = 1,793,455,474.95/63,278.20
  6. Step 6: Final answer
    x = 28,342.39

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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.