Home / 52,186.88-78,291.70-18,903.47

Finding the Fourth Proportional to 52,186.88, 78,291.70 and 18,903.47

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Solution

The fourth proportional to 52,186.88, 78,291.70 and 18,903.47 is: 28,359.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,186.88 : 78,291.70 = 18,903.47 : x
  2. Step 2: Convert to fraction form
    52,186.88/78,291.70 = 18,903.47/x
  3. Step 3: Cross multiply
    52,186.88x = 78,291.70 × 18,903.47
  4. Step 4: Simplify right side
    52,186.88x = 1,479,984,363.48
  5. Step 5: Solve for x
    x = 1,479,984,363.48/52,186.88
  6. Step 6: Final answer
    x = 28,359.32

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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.