Home / 30,478.76-45,591.66-28,612.52

Finding the Fourth Proportional to 30,478.76, 45,591.66 and 28,612.52

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Solution

The fourth proportional to 30,478.76, 45,591.66 and 28,612.52 is: 42,800.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,478.76 : 45,591.66 = 28,612.52 : x
  2. Step 2: Convert to fraction form
    30,478.76/45,591.66 = 28,612.52/x
  3. Step 3: Cross multiply
    30,478.76x = 45,591.66 × 28,612.52
  4. Step 4: Simplify right side
    30,478.76x = 1,304,492,283.58
  5. Step 5: Solve for x
    x = 1,304,492,283.58/30,478.76
  6. Step 6: Final answer
    x = 42,800.04

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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.