Home / 40,318.74-60,457.35-18,113.05

Finding the Fourth Proportional to 40,318.74, 60,457.35 and 18,113.05

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Solution

The fourth proportional to 40,318.74, 60,457.35 and 18,113.05 is: 27,160.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,318.74 : 60,457.35 = 18,113.05 : x
  2. Step 2: Convert to fraction form
    40,318.74/60,457.35 = 18,113.05/x
  3. Step 3: Cross multiply
    40,318.74x = 60,457.35 × 18,113.05
  4. Step 4: Simplify right side
    40,318.74x = 1,095,067,003.42
  5. Step 5: Solve for x
    x = 1,095,067,003.42/40,318.74
  6. Step 6: Final answer
    x = 27,160.25

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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.