Home / 32,937.53-45,480-30,418.72

Finding the Fourth Proportional to 32,937.53, 45,480 and 30,418.72

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Solution

The fourth proportional to 32,937.53, 45,480 and 30,418.72 is: 42,002.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,937.53 : 45,480 = 30,418.72 : x
  2. Step 2: Convert to fraction form
    32,937.53/45,480 = 30,418.72/x
  3. Step 3: Cross multiply
    32,937.53x = 45,480 × 30,418.72
  4. Step 4: Simplify right side
    32,937.53x = 1,383,443,385.60
  5. Step 5: Solve for x
    x = 1,383,443,385.60/32,937.53
  6. Step 6: Final answer
    x = 42,002.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.