Home / 34,111.70-51,155.40-11,925.80

Finding the Fourth Proportional to 34,111.70, 51,155.40 and 11,925.80

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Solution

The fourth proportional to 34,111.70, 51,155.40 and 11,925.80 is: 17,884.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,111.70 : 51,155.40 = 11,925.80 : x
  2. Step 2: Convert to fraction form
    34,111.70/51,155.40 = 11,925.80/x
  3. Step 3: Cross multiply
    34,111.70x = 51,155.40 × 11,925.80
  4. Step 4: Simplify right side
    34,111.70x = 610,069,069.32
  5. Step 5: Solve for x
    x = 610,069,069.32/34,111.70
  6. Step 6: Final answer
    x = 17,884.45

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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.