Home / 42,219.18-63,235.04-30,337.29

Finding the Fourth Proportional to 42,219.18, 63,235.04 and 30,337.29

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Solution

The fourth proportional to 42,219.18, 63,235.04 and 30,337.29 is: 45,438.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,219.18 : 63,235.04 = 30,337.29 : x
  2. Step 2: Convert to fraction form
    42,219.18/63,235.04 = 30,337.29/x
  3. Step 3: Cross multiply
    42,219.18x = 63,235.04 × 30,337.29
  4. Step 4: Simplify right side
    42,219.18x = 1,918,379,594.96
  5. Step 5: Solve for x
    x = 1,918,379,594.96/42,219.18
  6. Step 6: Final answer
    x = 45,438.58

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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.