Home / 51,975.68-77,962.79-12,532.46

Finding the Fourth Proportional to 51,975.68, 77,962.79 and 12,532.46

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Solution

The fourth proportional to 51,975.68, 77,962.79 and 12,532.46 is: 18,798.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,975.68 : 77,962.79 = 12,532.46 : x
  2. Step 2: Convert to fraction form
    51,975.68/77,962.79 = 12,532.46/x
  3. Step 3: Cross multiply
    51,975.68x = 77,962.79 × 12,532.46
  4. Step 4: Simplify right side
    51,975.68x = 977,065,188.68
  5. Step 5: Solve for x
    x = 977,065,188.68/51,975.68
  6. Step 6: Final answer
    x = 18,798.51

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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.