Home / 34,109.60-47,073.36-19,961.12

Finding the Fourth Proportional to 34,109.60, 47,073.36 and 19,961.12

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Solution

The fourth proportional to 34,109.60, 47,073.36 and 19,961.12 is: 27,547.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,109.60 : 47,073.36 = 19,961.12 : x
  2. Step 2: Convert to fraction form
    34,109.60/47,073.36 = 19,961.12/x
  3. Step 3: Cross multiply
    34,109.60x = 47,073.36 × 19,961.12
  4. Step 4: Simplify right side
    34,109.60x = 939,636,987.76
  5. Step 5: Solve for x
    x = 939,636,987.76/34,109.60
  6. Step 6: Final answer
    x = 27,547.58

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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.