Home / 61,947.40-92,909.72-28,205.42

Finding the Fourth Proportional to 61,947.40, 92,909.72 and 28,205.42

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Solution

The fourth proportional to 61,947.40, 92,909.72 and 28,205.42 is: 42,302.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,947.40 : 92,909.72 = 28,205.42 : x
  2. Step 2: Convert to fraction form
    61,947.40/92,909.72 = 28,205.42/x
  3. Step 3: Cross multiply
    61,947.40x = 92,909.72 × 28,205.42
  4. Step 4: Simplify right side
    61,947.40x = 2,620,557,674.68
  5. Step 5: Solve for x
    x = 2,620,557,674.68/61,947.40
  6. Step 6: Final answer
    x = 42,302.95

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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.