Home / 46,691.28-70,040.88-13,414.08

Finding the Fourth Proportional to 46,691.28, 70,040.88 and 13,414.08

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Solution

The fourth proportional to 46,691.28, 70,040.88 and 13,414.08 is: 20,122.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,691.28 : 70,040.88 = 13,414.08 : x
  2. Step 2: Convert to fraction form
    46,691.28/70,040.88 = 13,414.08/x
  3. Step 3: Cross multiply
    46,691.28x = 70,040.88 × 13,414.08
  4. Step 4: Simplify right side
    46,691.28x = 939,533,967.59
  5. Step 5: Solve for x
    x = 939,533,967.59/46,691.28
  6. Step 6: Final answer
    x = 20,122.26

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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.