Home / 32,278.91-44,543.72-18,131.45

Finding the Fourth Proportional to 32,278.91, 44,543.72 and 18,131.45

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Solution

The fourth proportional to 32,278.91, 44,543.72 and 18,131.45 is: 25,020.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,278.91 : 44,543.72 = 18,131.45 : x
  2. Step 2: Convert to fraction form
    32,278.91/44,543.72 = 18,131.45/x
  3. Step 3: Cross multiply
    32,278.91x = 44,543.72 × 18,131.45
  4. Step 4: Simplify right side
    32,278.91x = 807,642,054.60
  5. Step 5: Solve for x
    x = 807,642,054.60/32,278.91
  6. Step 6: Final answer
    x = 25,020.74

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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.