Home / 52,015.17-77,975.91-18,711.82

Finding the Fourth Proportional to 52,015.17, 77,975.91 and 18,711.82

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Solution

The fourth proportional to 52,015.17, 77,975.91 and 18,711.82 is: 28,050.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,015.17 : 77,975.91 = 18,711.82 : x
  2. Step 2: Convert to fraction form
    52,015.17/77,975.91 = 18,711.82/x
  3. Step 3: Cross multiply
    52,015.17x = 77,975.91 × 18,711.82
  4. Step 4: Simplify right side
    52,015.17x = 1,459,071,192.26
  5. Step 5: Solve for x
    x = 1,459,071,192.26/52,015.17
  6. Step 6: Final answer
    x = 28,050.88

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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.