Home / 30,528.90-45,793.35-15,766.65

Finding the Fourth Proportional to 30,528.90, 45,793.35 and 15,766.65

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Solution

The fourth proportional to 30,528.90, 45,793.35 and 15,766.65 is: 23,649.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,528.90 : 45,793.35 = 15,766.65 : x
  2. Step 2: Convert to fraction form
    30,528.90/45,793.35 = 15,766.65/x
  3. Step 3: Cross multiply
    30,528.90x = 45,793.35 × 15,766.65
  4. Step 4: Simplify right side
    30,528.90x = 722,007,721.78
  5. Step 5: Solve for x
    x = 722,007,721.78/30,528.90
  6. Step 6: Final answer
    x = 23,649.98

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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.