Home / 39,282.18-54,214.95-22,290.60

Finding the Fourth Proportional to 39,282.18, 54,214.95 and 22,290.60

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Solution

The fourth proportional to 39,282.18, 54,214.95 and 22,290.60 is: 30,764.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,282.18 : 54,214.95 = 22,290.60 : x
  2. Step 2: Convert to fraction form
    39,282.18/54,214.95 = 22,290.60/x
  3. Step 3: Cross multiply
    39,282.18x = 54,214.95 × 22,290.60
  4. Step 4: Simplify right side
    39,282.18x = 1,208,483,764.47
  5. Step 5: Solve for x
    x = 1,208,483,764.47/39,282.18
  6. Step 6: Final answer
    x = 30,764.17

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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.