Home / 39,752.77-54,860.14-21,848.41

Finding the Fourth Proportional to 39,752.77, 54,860.14 and 21,848.41

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Solution

The fourth proportional to 39,752.77, 54,860.14 and 21,848.41 is: 30,151.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,752.77 : 54,860.14 = 21,848.41 : x
  2. Step 2: Convert to fraction form
    39,752.77/54,860.14 = 21,848.41/x
  3. Step 3: Cross multiply
    39,752.77x = 54,860.14 × 21,848.41
  4. Step 4: Simplify right side
    39,752.77x = 1,198,607,023.15
  5. Step 5: Solve for x
    x = 1,198,607,023.15/39,752.77
  6. Step 6: Final answer
    x = 30,151.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.