Home / 34,387.62-47,458.26-19,280.28

Finding the Fourth Proportional to 34,387.62, 47,458.26 and 19,280.28

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Solution

The fourth proportional to 34,387.62, 47,458.26 and 19,280.28 is: 26,608.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,387.62 : 47,458.26 = 19,280.28 : x
  2. Step 2: Convert to fraction form
    34,387.62/47,458.26 = 19,280.28/x
  3. Step 3: Cross multiply
    34,387.62x = 47,458.26 × 19,280.28
  4. Step 4: Simplify right side
    34,387.62x = 915,008,541.11
  5. Step 5: Solve for x
    x = 915,008,541.11/34,387.62
  6. Step 6: Final answer
    x = 26,608.66

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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.