Home / 20,794.02-31,200.75-12,036.30

Finding the Fourth Proportional to 20,794.02, 31,200.75 and 12,036.30

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Solution

The fourth proportional to 20,794.02, 31,200.75 and 12,036.30 is: 18,060.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,794.02 : 31,200.75 = 12,036.30 : x
  2. Step 2: Convert to fraction form
    20,794.02/31,200.75 = 12,036.30/x
  3. Step 3: Cross multiply
    20,794.02x = 31,200.75 × 12,036.30
  4. Step 4: Simplify right side
    20,794.02x = 375,541,587.23
  5. Step 5: Solve for x
    x = 375,541,587.23/20,794.02
  6. Step 6: Final answer
    x = 18,060.08

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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.