Home / 39,556.01-59,340.20-12,895.81

Finding the Fourth Proportional to 39,556.01, 59,340.20 and 12,895.81

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Solution

The fourth proportional to 39,556.01, 59,340.20 and 12,895.81 is: 19,345.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,556.01 : 59,340.20 = 12,895.81 : x
  2. Step 2: Convert to fraction form
    39,556.01/59,340.20 = 12,895.81/x
  3. Step 3: Cross multiply
    39,556.01x = 59,340.20 × 12,895.81
  4. Step 4: Simplify right side
    39,556.01x = 765,239,731.73
  5. Step 5: Solve for x
    x = 765,239,731.73/39,556.01
  6. Step 6: Final answer
    x = 19,345.72

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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.