Home / 66,907.28-100,373.88-25,383.44

Finding the Fourth Proportional to 66,907.28, 100,373.88 and 25,383.44

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Solution

The fourth proportional to 66,907.28, 100,373.88 and 25,383.44 is: 38,080.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,907.28 : 100,373.88 = 25,383.44 : x
  2. Step 2: Convert to fraction form
    66,907.28/100,373.88 = 25,383.44/x
  3. Step 3: Cross multiply
    66,907.28x = 100,373.88 × 25,383.44
  4. Step 4: Simplify right side
    66,907.28x = 2,547,834,360.55
  5. Step 5: Solve for x
    x = 2,547,834,360.55/66,907.28
  6. Step 6: Final answer
    x = 38,080.08

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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.