Home / 31,442.03-43,390.20-17,102.06

Finding the Fourth Proportional to 31,442.03, 43,390.20 and 17,102.06

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Solution

The fourth proportional to 31,442.03, 43,390.20 and 17,102.06 is: 23,600.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,442.03 : 43,390.20 = 17,102.06 : x
  2. Step 2: Convert to fraction form
    31,442.03/43,390.20 = 17,102.06/x
  3. Step 3: Cross multiply
    31,442.03x = 43,390.20 × 17,102.06
  4. Step 4: Simplify right side
    31,442.03x = 742,061,803.81
  5. Step 5: Solve for x
    x = 742,061,803.81/31,442.03
  6. Step 6: Final answer
    x = 23,600.95

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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.