Home / 38,364.81-57,543.57-13,400.25

Finding the Fourth Proportional to 38,364.81, 57,543.57 and 13,400.25

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Solution

The fourth proportional to 38,364.81, 57,543.57 and 13,400.25 is: 20,099.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,364.81 : 57,543.57 = 13,400.25 : x
  2. Step 2: Convert to fraction form
    38,364.81/57,543.57 = 13,400.25/x
  3. Step 3: Cross multiply
    38,364.81x = 57,543.57 × 13,400.25
  4. Step 4: Simplify right side
    38,364.81x = 771,098,223.89
  5. Step 5: Solve for x
    x = 771,098,223.89/38,364.81
  6. Step 6: Final answer
    x = 20,099.10

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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.