Home / 40,225.80-60,258.18-19,186.32

Finding the Fourth Proportional to 40,225.80, 60,258.18 and 19,186.32

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Solution

The fourth proportional to 40,225.80, 60,258.18 and 19,186.32 is: 28,741.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,225.80 : 60,258.18 = 19,186.32 : x
  2. Step 2: Convert to fraction form
    40,225.80/60,258.18 = 19,186.32/x
  3. Step 3: Cross multiply
    40,225.80x = 60,258.18 × 19,186.32
  4. Step 4: Simplify right side
    40,225.80x = 1,156,132,724.10
  5. Step 5: Solve for x
    x = 1,156,132,724.10/40,225.80
  6. Step 6: Final answer
    x = 28,741.07

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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.