Home / 30,156.17-45,304.94-28,452.04

Finding the Fourth Proportional to 30,156.17, 45,304.94 and 28,452.04

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Solution

The fourth proportional to 30,156.17, 45,304.94 and 28,452.04 is: 42,744.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,156.17 : 45,304.94 = 28,452.04 : x
  2. Step 2: Convert to fraction form
    30,156.17/45,304.94 = 28,452.04/x
  3. Step 3: Cross multiply
    30,156.17x = 45,304.94 × 28,452.04
  4. Step 4: Simplify right side
    30,156.17x = 1,289,017,762.90
  5. Step 5: Solve for x
    x = 1,289,017,762.90/30,156.17
  6. Step 6: Final answer
    x = 42,744.74

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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.