Home / 47,110.86-70,655.49-28,140.84

Finding the Fourth Proportional to 47,110.86, 70,655.49 and 28,140.84

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Solution

The fourth proportional to 47,110.86, 70,655.49 and 28,140.84 is: 42,204.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,110.86 : 70,655.49 = 28,140.84 : x
  2. Step 2: Convert to fraction form
    47,110.86/70,655.49 = 28,140.84/x
  3. Step 3: Cross multiply
    47,110.86x = 70,655.49 × 28,140.84
  4. Step 4: Simplify right side
    47,110.86x = 1,988,304,839.21
  5. Step 5: Solve for x
    x = 1,988,304,839.21/47,110.86
  6. Step 6: Final answer
    x = 42,204.81

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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.