Home / 40,316.91-60,454.53-18,111.30

Finding the Fourth Proportional to 40,316.91, 60,454.53 and 18,111.30

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Solution

The fourth proportional to 40,316.91, 60,454.53 and 18,111.30 is: 27,157.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,316.91 : 60,454.53 = 18,111.30 : x
  2. Step 2: Convert to fraction form
    40,316.91/60,454.53 = 18,111.30/x
  3. Step 3: Cross multiply
    40,316.91x = 60,454.53 × 18,111.30
  4. Step 4: Simplify right side
    40,316.91x = 1,094,910,129.19
  5. Step 5: Solve for x
    x = 1,094,910,129.19/40,316.91
  6. Step 6: Final answer
    x = 27,157.59

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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.