Home / 38,340.10-52,909.23-21,573.10

Finding the Fourth Proportional to 38,340.10, 52,909.23 and 21,573.10

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Solution

The fourth proportional to 38,340.10, 52,909.23 and 21,573.10 is: 29,770.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,340.10 : 52,909.23 = 21,573.10 : x
  2. Step 2: Convert to fraction form
    38,340.10/52,909.23 = 21,573.10/x
  3. Step 3: Cross multiply
    38,340.10x = 52,909.23 × 21,573.10
  4. Step 4: Simplify right side
    38,340.10x = 1,141,416,109.71
  5. Step 5: Solve for x
    x = 1,141,416,109.71/38,340.10
  6. Step 6: Final answer
    x = 29,770.82

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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.