Home / 30,219.04-45,337.20-9,444.16

Finding the Fourth Proportional to 30,219.04, 45,337.20 and 9,444.16

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Solution

The fourth proportional to 30,219.04, 45,337.20 and 9,444.16 is: 14,168.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,219.04 : 45,337.20 = 9,444.16 : x
  2. Step 2: Convert to fraction form
    30,219.04/45,337.20 = 9,444.16/x
  3. Step 3: Cross multiply
    30,219.04x = 45,337.20 × 9,444.16
  4. Step 4: Simplify right side
    30,219.04x = 428,171,770.75
  5. Step 5: Solve for x
    x = 428,171,770.75/30,219.04
  6. Step 6: Final answer
    x = 14,168.94

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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.