Home / 45,016.08-67,487.58-18,740.49

Finding the Fourth Proportional to 45,016.08, 67,487.58 and 18,740.49

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Solution

The fourth proportional to 45,016.08, 67,487.58 and 18,740.49 is: 28,095.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,016.08 : 67,487.58 = 18,740.49 : x
  2. Step 2: Convert to fraction form
    45,016.08/67,487.58 = 18,740.49/x
  3. Step 3: Cross multiply
    45,016.08x = 67,487.58 × 18,740.49
  4. Step 4: Simplify right side
    45,016.08x = 1,264,750,318.11
  5. Step 5: Solve for x
    x = 1,264,750,318.11/45,016.08
  6. Step 6: Final answer
    x = 28,095.52

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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.