Home / 40,102.14-55,303.08-29,915.67

Finding the Fourth Proportional to 40,102.14, 55,303.08 and 29,915.67

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Solution

The fourth proportional to 40,102.14, 55,303.08 and 29,915.67 is: 41,255.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,102.14 : 55,303.08 = 29,915.67 : x
  2. Step 2: Convert to fraction form
    40,102.14/55,303.08 = 29,915.67/x
  3. Step 3: Cross multiply
    40,102.14x = 55,303.08 × 29,915.67
  4. Step 4: Simplify right side
    40,102.14x = 1,654,428,691.26
  5. Step 5: Solve for x
    x = 1,654,428,691.26/40,102.14
  6. Step 6: Final answer
    x = 41,255.37

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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.