Home / 52,425.48-78,591-19,122.32

Finding the Fourth Proportional to 52,425.48, 78,591 and 19,122.32

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Solution

The fourth proportional to 52,425.48, 78,591 and 19,122.32 is: 28,666.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,425.48 : 78,591 = 19,122.32 : x
  2. Step 2: Convert to fraction form
    52,425.48/78,591 = 19,122.32/x
  3. Step 3: Cross multiply
    52,425.48x = 78,591 × 19,122.32
  4. Step 4: Simplify right side
    52,425.48x = 1,502,842,251.12
  5. Step 5: Solve for x
    x = 1,502,842,251.12/52,425.48
  6. Step 6: Final answer
    x = 28,666.26

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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.