Home / 34,425.69-47,508.40-19,319.28

Finding the Fourth Proportional to 34,425.69, 47,508.40 and 19,319.28

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Solution

The fourth proportional to 34,425.69, 47,508.40 and 19,319.28 is: 26,661.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,425.69 : 47,508.40 = 19,319.28 : x
  2. Step 2: Convert to fraction form
    34,425.69/47,508.40 = 19,319.28/x
  3. Step 3: Cross multiply
    34,425.69x = 47,508.40 × 19,319.28
  4. Step 4: Simplify right side
    34,425.69x = 917,827,819.27
  5. Step 5: Solve for x
    x = 917,827,819.27/34,425.69
  6. Step 6: Final answer
    x = 26,661.13

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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.