Home / 51,197.12-70,643.46-28,531.14

Finding the Fourth Proportional to 51,197.12, 70,643.46 and 28,531.14

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Solution

The fourth proportional to 51,197.12, 70,643.46 and 28,531.14 is: 39,368.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,197.12 : 70,643.46 = 28,531.14 : x
  2. Step 2: Convert to fraction form
    51,197.12/70,643.46 = 28,531.14/x
  3. Step 3: Cross multiply
    51,197.12x = 70,643.46 × 28,531.14
  4. Step 4: Simplify right side
    51,197.12x = 2,015,538,447.34
  5. Step 5: Solve for x
    x = 2,015,538,447.34/51,197.12
  6. Step 6: Final answer
    x = 39,368.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.