Home / 34,207.75-47,206.70-19,303.75

Finding the Fourth Proportional to 34,207.75, 47,206.70 and 19,303.75

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Solution

The fourth proportional to 34,207.75, 47,206.70 and 19,303.75 is: 26,639.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,207.75 : 47,206.70 = 19,303.75 : x
  2. Step 2: Convert to fraction form
    34,207.75/47,206.70 = 19,303.75/x
  3. Step 3: Cross multiply
    34,207.75x = 47,206.70 × 19,303.75
  4. Step 4: Simplify right side
    34,207.75x = 911,266,335.13
  5. Step 5: Solve for x
    x = 911,266,335.13/34,207.75
  6. Step 6: Final answer
    x = 26,639.18

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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.