Home / 51,646.12-71,264.78-28,984.24

Finding the Fourth Proportional to 51,646.12, 71,264.78 and 28,984.24

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Solution

The fourth proportional to 51,646.12, 71,264.78 and 28,984.24 is: 39,994.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,646.12 : 71,264.78 = 28,984.24 : x
  2. Step 2: Convert to fraction form
    51,646.12/71,264.78 = 28,984.24/x
  3. Step 3: Cross multiply
    51,646.12x = 71,264.78 × 28,984.24
  4. Step 4: Simplify right side
    51,646.12x = 2,065,555,487.07
  5. Step 5: Solve for x
    x = 2,065,555,487.07/51,646.12
  6. Step 6: Final answer
    x = 39,994.40

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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.