Home / 68,642.52-94,728.27-38,427.06

Finding the Fourth Proportional to 68,642.52, 94,728.27 and 38,427.06

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Solution

The fourth proportional to 68,642.52, 94,728.27 and 38,427.06 is: 53,030.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,642.52 : 94,728.27 = 38,427.06 : x
  2. Step 2: Convert to fraction form
    68,642.52/94,728.27 = 38,427.06/x
  3. Step 3: Cross multiply
    68,642.52x = 94,728.27 × 38,427.06
  4. Step 4: Simplify right side
    68,642.52x = 3,640,128,914.99
  5. Step 5: Solve for x
    x = 3,640,128,914.99/68,642.52
  6. Step 6: Final answer
    x = 53,030.23

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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.