Home / 40,145.95-60,228.91-12,066.45

Finding the Fourth Proportional to 40,145.95, 60,228.91 and 12,066.45

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Solution

The fourth proportional to 40,145.95, 60,228.91 and 12,066.45 is: 18,102.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,145.95 : 60,228.91 = 12,066.45 : x
  2. Step 2: Convert to fraction form
    40,145.95/60,228.91 = 12,066.45/x
  3. Step 3: Cross multiply
    40,145.95x = 60,228.91 × 12,066.45
  4. Step 4: Simplify right side
    40,145.95x = 726,749,070.74
  5. Step 5: Solve for x
    x = 726,749,070.74/40,145.95
  6. Step 6: Final answer
    x = 18,102.68

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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.