Home / 42,645.12-63,968.08-16,343.60

Finding the Fourth Proportional to 42,645.12, 63,968.08 and 16,343.60

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Solution

The fourth proportional to 42,645.12, 63,968.08 and 16,343.60 is: 24,515.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,645.12 : 63,968.08 = 16,343.60 : x
  2. Step 2: Convert to fraction form
    42,645.12/63,968.08 = 16,343.60/x
  3. Step 3: Cross multiply
    42,645.12x = 63,968.08 × 16,343.60
  4. Step 4: Simplify right side
    42,645.12x = 1,045,468,712.29
  5. Step 5: Solve for x
    x = 1,045,468,712.29/42,645.12
  6. Step 6: Final answer
    x = 24,515.55

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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.