Home / 40,907.20-61,346.40-14,612.80

Finding the Fourth Proportional to 40,907.20, 61,346.40 and 14,612.80

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Solution

The fourth proportional to 40,907.20, 61,346.40 and 14,612.80 is: 21,914.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,907.20 : 61,346.40 = 14,612.80 : x
  2. Step 2: Convert to fraction form
    40,907.20/61,346.40 = 14,612.80/x
  3. Step 3: Cross multiply
    40,907.20x = 61,346.40 × 14,612.80
  4. Step 4: Simplify right side
    40,907.20x = 896,442,673.92
  5. Step 5: Solve for x
    x = 896,442,673.92/40,907.20
  6. Step 6: Final answer
    x = 21,914.06

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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.