Home / 39,486.68-59,221.28-11,400.63

Finding the Fourth Proportional to 39,486.68, 59,221.28 and 11,400.63

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Solution

The fourth proportional to 39,486.68, 59,221.28 and 11,400.63 is: 17,098.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,486.68 : 59,221.28 = 11,400.63 : x
  2. Step 2: Convert to fraction form
    39,486.68/59,221.28 = 11,400.63/x
  3. Step 3: Cross multiply
    39,486.68x = 59,221.28 × 11,400.63
  4. Step 4: Simplify right side
    39,486.68x = 675,159,929.91
  5. Step 5: Solve for x
    x = 675,159,929.91/39,486.68
  6. Step 6: Final answer
    x = 17,098.42

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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.