Home / 51,200.04-70,656.38-28,540.47

Finding the Fourth Proportional to 51,200.04, 70,656.38 and 28,540.47

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Solution

The fourth proportional to 51,200.04, 70,656.38 and 28,540.47 is: 39,386.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,200.04 : 70,656.38 = 28,540.47 : x
  2. Step 2: Convert to fraction form
    51,200.04/70,656.38 = 28,540.47/x
  3. Step 3: Cross multiply
    51,200.04x = 70,656.38 × 28,540.47
  4. Step 4: Simplify right side
    51,200.04x = 2,016,566,151.00
  5. Step 5: Solve for x
    x = 2,016,566,151.00/51,200.04
  6. Step 6: Final answer
    x = 39,386.03

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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.