Home / 47,329.40-70,907.70-28,839.80

Finding the Fourth Proportional to 47,329.40, 70,907.70 and 28,839.80

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Solution

The fourth proportional to 47,329.40, 70,907.70 and 28,839.80 is: 43,207.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,329.40 : 70,907.70 = 28,839.80 : x
  2. Step 2: Convert to fraction form
    47,329.40/70,907.70 = 28,839.80/x
  3. Step 3: Cross multiply
    47,329.40x = 70,907.70 × 28,839.80
  4. Step 4: Simplify right side
    47,329.40x = 2,044,963,886.46
  5. Step 5: Solve for x
    x = 2,044,963,886.46/47,329.40
  6. Step 6: Final answer
    x = 43,207.05

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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.