Home / 52,711.47-72,739.76-28,837.53

Finding the Fourth Proportional to 52,711.47, 72,739.76 and 28,837.53

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Solution

The fourth proportional to 52,711.47, 72,739.76 and 28,837.53 is: 39,794.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,711.47 : 72,739.76 = 28,837.53 : x
  2. Step 2: Convert to fraction form
    52,711.47/72,739.76 = 28,837.53/x
  3. Step 3: Cross multiply
    52,711.47x = 72,739.76 × 28,837.53
  4. Step 4: Simplify right side
    52,711.47x = 2,097,634,867.01
  5. Step 5: Solve for x
    x = 2,097,634,867.01/52,711.47
  6. Step 6: Final answer
    x = 39,794.66

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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.