Home / 39,069.78-53,919.63-22,077.15

Finding the Fourth Proportional to 39,069.78, 53,919.63 and 22,077.15

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Solution

The fourth proportional to 39,069.78, 53,919.63 and 22,077.15 is: 30,468.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,069.78 : 53,919.63 = 22,077.15 : x
  2. Step 2: Convert to fraction form
    39,069.78/53,919.63 = 22,077.15/x
  3. Step 3: Cross multiply
    39,069.78x = 53,919.63 × 22,077.15
  4. Step 4: Simplify right side
    39,069.78x = 1,190,391,759.45
  5. Step 5: Solve for x
    x = 1,190,391,759.45/39,069.78
  6. Step 6: Final answer
    x = 30,468.35

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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.