Home / 40,100.15-60,158.52-12,019.07

Finding the Fourth Proportional to 40,100.15, 60,158.52 and 12,019.07

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Solution

The fourth proportional to 40,100.15, 60,158.52 and 12,019.07 is: 18,031.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,100.15 : 60,158.52 = 12,019.07 : x
  2. Step 2: Convert to fraction form
    40,100.15/60,158.52 = 12,019.07/x
  3. Step 3: Cross multiply
    40,100.15x = 60,158.52 × 12,019.07
  4. Step 4: Simplify right side
    40,100.15x = 723,049,162.18
  5. Step 5: Solve for x
    x = 723,049,162.18/40,100.15
  6. Step 6: Final answer
    x = 18,031.09

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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.