Home / 45,017.08-67,489.08-18,741.49

Finding the Fourth Proportional to 45,017.08, 67,489.08 and 18,741.49

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Solution

The fourth proportional to 45,017.08, 67,489.08 and 18,741.49 is: 28,097.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,017.08 : 67,489.08 = 18,741.49 : x
  2. Step 2: Convert to fraction form
    45,017.08/67,489.08 = 18,741.49/x
  3. Step 3: Cross multiply
    45,017.08x = 67,489.08 × 18,741.49
  4. Step 4: Simplify right side
    45,017.08x = 1,264,845,917.93
  5. Step 5: Solve for x
    x = 1,264,845,917.93/45,017.08
  6. Step 6: Final answer
    x = 28,097.02

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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.