Home / 35,450.50-48,920.16-20,332.66

Finding the Fourth Proportional to 35,450.50, 48,920.16 and 20,332.66

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Solution

The fourth proportional to 35,450.50, 48,920.16 and 20,332.66 is: 28,058.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,450.50 : 48,920.16 = 20,332.66 : x
  2. Step 2: Convert to fraction form
    35,450.50/48,920.16 = 20,332.66/x
  3. Step 3: Cross multiply
    35,450.50x = 48,920.16 × 20,332.66
  4. Step 4: Simplify right side
    35,450.50x = 994,676,980.43
  5. Step 5: Solve for x
    x = 994,676,980.43/35,450.50
  6. Step 6: Final answer
    x = 28,058.19

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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.