Home / 38,543.55-53,129.79-35,450.53

Finding the Fourth Proportional to 38,543.55, 53,129.79 and 35,450.53

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Solution

The fourth proportional to 38,543.55, 53,129.79 and 35,450.53 is: 48,866.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,543.55 : 53,129.79 = 35,450.53 : x
  2. Step 2: Convert to fraction form
    38,543.55/53,129.79 = 35,450.53/x
  3. Step 3: Cross multiply
    38,543.55x = 53,129.79 × 35,450.53
  4. Step 4: Simplify right side
    38,543.55x = 1,883,479,081.46
  5. Step 5: Solve for x
    x = 1,883,479,081.46/38,543.55
  6. Step 6: Final answer
    x = 48,866.26

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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.