Home / 33,159.04-49,740.80-12,382.08

Finding the Fourth Proportional to 33,159.04, 49,740.80 and 12,382.08

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Solution

The fourth proportional to 33,159.04, 49,740.80 and 12,382.08 is: 18,573.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,159.04 : 49,740.80 = 12,382.08 : x
  2. Step 2: Convert to fraction form
    33,159.04/49,740.80 = 12,382.08/x
  3. Step 3: Cross multiply
    33,159.04x = 49,740.80 × 12,382.08
  4. Step 4: Simplify right side
    33,159.04x = 615,894,564.86
  5. Step 5: Solve for x
    x = 615,894,564.86/33,159.04
  6. Step 6: Final answer
    x = 18,573.96

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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.