Home / 34,218.97-51,328.46-12,875.70

Finding the Fourth Proportional to 34,218.97, 51,328.46 and 12,875.70

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Solution

The fourth proportional to 34,218.97, 51,328.46 and 12,875.70 is: 19,313.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,218.97 : 51,328.46 = 12,875.70 : x
  2. Step 2: Convert to fraction form
    34,218.97/51,328.46 = 12,875.70/x
  3. Step 3: Cross multiply
    34,218.97x = 51,328.46 × 12,875.70
  4. Step 4: Simplify right side
    34,218.97x = 660,889,852.42
  5. Step 5: Solve for x
    x = 660,889,852.42/34,218.97
  6. Step 6: Final answer
    x = 19,313.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.