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Finding the Fourth Proportional to 44,043.32, 66,055.26 and 15,959

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Solution

The fourth proportional to 44,043.32, 66,055.26 and 15,959 is: 23,934.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,043.32 : 66,055.26 = 15,959 : x
  2. Step 2: Convert to fraction form
    44,043.32/66,055.26 = 15,959/x
  3. Step 3: Cross multiply
    44,043.32x = 66,055.26 × 15,959
  4. Step 4: Simplify right side
    44,043.32x = 1,054,175,894.34
  5. Step 5: Solve for x
    x = 1,054,175,894.34/44,043.32
  6. Step 6: Final answer
    x = 23,934.98

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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.