Home / 34,987.20-48,282.36-19,071.66

Finding the Fourth Proportional to 34,987.20, 48,282.36 and 19,071.66

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Solution

The fourth proportional to 34,987.20, 48,282.36 and 19,071.66 is: 26,318.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,987.20 : 48,282.36 = 19,071.66 : x
  2. Step 2: Convert to fraction form
    34,987.20/48,282.36 = 19,071.66/x
  3. Step 3: Cross multiply
    34,987.20x = 48,282.36 × 19,071.66
  4. Step 4: Simplify right side
    34,987.20x = 920,824,753.92
  5. Step 5: Solve for x
    x = 920,824,753.92/34,987.20
  6. Step 6: Final answer
    x = 26,318.90

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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.