Home / 41,281.30-61,946.52-28,640.98

Finding the Fourth Proportional to 41,281.30, 61,946.52 and 28,640.98

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Solution

The fourth proportional to 41,281.30, 61,946.52 and 28,640.98 is: 42,978.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,281.30 : 61,946.52 = 28,640.98 : x
  2. Step 2: Convert to fraction form
    41,281.30/61,946.52 = 28,640.98/x
  3. Step 3: Cross multiply
    41,281.30x = 61,946.52 × 28,640.98
  4. Step 4: Simplify right side
    41,281.30x = 1,774,209,040.39
  5. Step 5: Solve for x
    x = 1,774,209,040.39/41,281.30
  6. Step 6: Final answer
    x = 42,978.52

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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.