Home / 45,280.02-67,910.32-28,404.90

Finding the Fourth Proportional to 45,280.02, 67,910.32 and 28,404.90

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Solution

The fourth proportional to 45,280.02, 67,910.32 and 28,404.90 is: 42,601.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,280.02 : 67,910.32 = 28,404.90 : x
  2. Step 2: Convert to fraction form
    45,280.02/67,910.32 = 28,404.90/x
  3. Step 3: Cross multiply
    45,280.02x = 67,910.32 × 28,404.90
  4. Step 4: Simplify right side
    45,280.02x = 1,928,985,848.57
  5. Step 5: Solve for x
    x = 1,928,985,848.57/45,280.02
  6. Step 6: Final answer
    x = 42,601.26

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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.