Home / 38,386.80-57,580.20-12,094.20

Finding the Fourth Proportional to 38,386.80, 57,580.20 and 12,094.20

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Solution

The fourth proportional to 38,386.80, 57,580.20 and 12,094.20 is: 18,141.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,386.80 : 57,580.20 = 12,094.20 : x
  2. Step 2: Convert to fraction form
    38,386.80/57,580.20 = 12,094.20/x
  3. Step 3: Cross multiply
    38,386.80x = 57,580.20 × 12,094.20
  4. Step 4: Simplify right side
    38,386.80x = 696,386,454.84
  5. Step 5: Solve for x
    x = 696,386,454.84/38,386.80
  6. Step 6: Final answer
    x = 18,141.30

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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.