Home / 42,613.20-63,919.80-24,181.20

Finding the Fourth Proportional to 42,613.20, 63,919.80 and 24,181.20

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Solution

The fourth proportional to 42,613.20, 63,919.80 and 24,181.20 is: 36,271.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,613.20 : 63,919.80 = 24,181.20 : x
  2. Step 2: Convert to fraction form
    42,613.20/63,919.80 = 24,181.20/x
  3. Step 3: Cross multiply
    42,613.20x = 63,919.80 × 24,181.20
  4. Step 4: Simplify right side
    42,613.20x = 1,545,657,467.76
  5. Step 5: Solve for x
    x = 1,545,657,467.76/42,613.20
  6. Step 6: Final answer
    x = 36,271.80

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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.