Home / 40,445.91-60,669-12,365.85

Finding the Fourth Proportional to 40,445.91, 60,669 and 12,365.85

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Solution

The fourth proportional to 40,445.91, 60,669 and 12,365.85 is: 18,548.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,445.91 : 60,669 = 12,365.85 : x
  2. Step 2: Convert to fraction form
    40,445.91/60,669 = 12,365.85/x
  3. Step 3: Cross multiply
    40,445.91x = 60,669 × 12,365.85
  4. Step 4: Simplify right side
    40,445.91x = 750,223,981.16
  5. Step 5: Solve for x
    x = 750,223,981.16/40,445.91
  6. Step 6: Final answer
    x = 18,548.82

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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.