Home / 68,430.32-94,424.28-38,211.44

Finding the Fourth Proportional to 68,430.32, 94,424.28 and 38,211.44

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Solution

The fourth proportional to 68,430.32, 94,424.28 and 38,211.44 is: 52,726.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,430.32 : 94,424.28 = 38,211.44 : x
  2. Step 2: Convert to fraction form
    68,430.32/94,424.28 = 38,211.44/x
  3. Step 3: Cross multiply
    68,430.32x = 94,424.28 × 38,211.44
  4. Step 4: Simplify right side
    68,430.32x = 3,608,087,709.76
  5. Step 5: Solve for x
    x = 3,608,087,709.76/68,430.32
  6. Step 6: Final answer
    x = 52,726.45

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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.