Home / 38,556.02-57,833.88-13,590.05

Finding the Fourth Proportional to 38,556.02, 57,833.88 and 13,590.05

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Solution

The fourth proportional to 38,556.02, 57,833.88 and 13,590.05 is: 20,385.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,556.02 : 57,833.88 = 13,590.05 : x
  2. Step 2: Convert to fraction form
    38,556.02/57,833.88 = 13,590.05/x
  3. Step 3: Cross multiply
    38,556.02x = 57,833.88 × 13,590.05
  4. Step 4: Simplify right side
    38,556.02x = 785,965,031.72
  5. Step 5: Solve for x
    x = 785,965,031.72/38,556.02
  6. Step 6: Final answer
    x = 20,385.02

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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.