Home / 49,307.18-68,027.28-28,071.41

Finding the Fourth Proportional to 49,307.18, 68,027.28 and 28,071.41

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Solution

The fourth proportional to 49,307.18, 68,027.28 and 28,071.41 is: 38,729.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,307.18 : 68,027.28 = 28,071.41 : x
  2. Step 2: Convert to fraction form
    49,307.18/68,027.28 = 28,071.41/x
  3. Step 3: Cross multiply
    49,307.18x = 68,027.28 × 28,071.41
  4. Step 4: Simplify right side
    49,307.18x = 1,909,621,568.18
  5. Step 5: Solve for x
    x = 1,909,621,568.18/49,307.18
  6. Step 6: Final answer
    x = 38,729.08

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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.