Home / 40,208.79-60,332.83-28,438.20

Finding the Fourth Proportional to 40,208.79, 60,332.83 and 28,438.20

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Solution

The fourth proportional to 40,208.79, 60,332.83 and 28,438.20 is: 42,671.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,208.79 : 60,332.83 = 28,438.20 : x
  2. Step 2: Convert to fraction form
    40,208.79/60,332.83 = 28,438.20/x
  3. Step 3: Cross multiply
    40,208.79x = 60,332.83 × 28,438.20
  4. Step 4: Simplify right side
    40,208.79x = 1,715,757,086.11
  5. Step 5: Solve for x
    x = 1,715,757,086.11/40,208.79
  6. Step 6: Final answer
    x = 42,671.19

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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.