Home / 35,168.90-48,555.72-31,385.57

Finding the Fourth Proportional to 35,168.90, 48,555.72 and 31,385.57

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Solution

The fourth proportional to 35,168.90, 48,555.72 and 31,385.57 is: 43,332.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,168.90 : 48,555.72 = 31,385.57 : x
  2. Step 2: Convert to fraction form
    35,168.90/48,555.72 = 31,385.57/x
  3. Step 3: Cross multiply
    35,168.90x = 48,555.72 × 31,385.57
  4. Step 4: Simplify right side
    35,168.90x = 1,523,948,948.96
  5. Step 5: Solve for x
    x = 1,523,948,948.96/35,168.90
  6. Step 6: Final answer
    x = 43,332.29

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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.