Home / 65,948.44-91,010.55-40,468.89

Finding the Fourth Proportional to 65,948.44, 91,010.55 and 40,468.89

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Solution

The fourth proportional to 65,948.44, 91,010.55 and 40,468.89 is: 55,848.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,948.44 : 91,010.55 = 40,468.89 : x
  2. Step 2: Convert to fraction form
    65,948.44/91,010.55 = 40,468.89/x
  3. Step 3: Cross multiply
    65,948.44x = 91,010.55 × 40,468.89
  4. Step 4: Simplify right side
    65,948.44x = 3,683,095,279.39
  5. Step 5: Solve for x
    x = 3,683,095,279.39/65,948.44
  6. Step 6: Final answer
    x = 55,848.10

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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.