Home / 34,607.12-47,756.69-21,867.13

Finding the Fourth Proportional to 34,607.12, 47,756.69 and 21,867.13

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Solution

The fourth proportional to 34,607.12, 47,756.69 and 21,867.13 is: 30,175.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,607.12 : 47,756.69 = 21,867.13 : x
  2. Step 2: Convert to fraction form
    34,607.12/47,756.69 = 21,867.13/x
  3. Step 3: Cross multiply
    34,607.12x = 47,756.69 × 21,867.13
  4. Step 4: Simplify right side
    34,607.12x = 1,044,301,780.96
  5. Step 5: Solve for x
    x = 1,044,301,780.96/34,607.12
  6. Step 6: Final answer
    x = 30,175.93

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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.