Home / 38,095.26-57,088.45-21,420.30

Finding the Fourth Proportional to 38,095.26, 57,088.45 and 21,420.30

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Solution

The fourth proportional to 38,095.26, 57,088.45 and 21,420.30 is: 32,099.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,095.26 : 57,088.45 = 21,420.30 : x
  2. Step 2: Convert to fraction form
    38,095.26/57,088.45 = 21,420.30/x
  3. Step 3: Cross multiply
    38,095.26x = 57,088.45 × 21,420.30
  4. Step 4: Simplify right side
    38,095.26x = 1,222,851,524.78
  5. Step 5: Solve for x
    x = 1,222,851,524.78/38,095.26
  6. Step 6: Final answer
    x = 32,099.83

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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.