Home / 34,386.18-47,455.20-19,279.83

Finding the Fourth Proportional to 34,386.18, 47,455.20 and 19,279.83

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Solution

The fourth proportional to 34,386.18, 47,455.20 and 19,279.83 is: 26,607.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,386.18 : 47,455.20 = 19,279.83 : x
  2. Step 2: Convert to fraction form
    34,386.18/47,455.20 = 19,279.83/x
  3. Step 3: Cross multiply
    34,386.18x = 47,455.20 × 19,279.83
  4. Step 4: Simplify right side
    34,386.18x = 914,928,188.62
  5. Step 5: Solve for x
    x = 914,928,188.62/34,386.18
  6. Step 6: Final answer
    x = 26,607.44

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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.