Home / 38,217.80-57,326.70-34,281.20

Finding the Fourth Proportional to 38,217.80, 57,326.70 and 34,281.20

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Solution

The fourth proportional to 38,217.80, 57,326.70 and 34,281.20 is: 51,421.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,217.80 : 57,326.70 = 34,281.20 : x
  2. Step 2: Convert to fraction form
    38,217.80/57,326.70 = 34,281.20/x
  3. Step 3: Cross multiply
    38,217.80x = 57,326.70 × 34,281.20
  4. Step 4: Simplify right side
    38,217.80x = 1,965,228,068.04
  5. Step 5: Solve for x
    x = 1,965,228,068.04/38,217.80
  6. Step 6: Final answer
    x = 51,421.80

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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.