Home / 34,168.40-51,244.10-11,982.50

Finding the Fourth Proportional to 34,168.40, 51,244.10 and 11,982.50

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Solution

The fourth proportional to 34,168.40, 51,244.10 and 11,982.50 is: 17,970.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,168.40 : 51,244.10 = 11,982.50 : x
  2. Step 2: Convert to fraction form
    34,168.40/51,244.10 = 11,982.50/x
  3. Step 3: Cross multiply
    34,168.40x = 51,244.10 × 11,982.50
  4. Step 4: Simplify right side
    34,168.40x = 614,032,368.34
  5. Step 5: Solve for x
    x = 614,032,368.34/34,168.40
  6. Step 6: Final answer
    x = 17,970.77

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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.