Home / 29,061.30-43,570.35-12,407.70

Finding the Fourth Proportional to 29,061.30, 43,570.35 and 12,407.70

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Solution

The fourth proportional to 29,061.30, 43,570.35 and 12,407.70 is: 18,602.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,061.30 : 43,570.35 = 12,407.70 : x
  2. Step 2: Convert to fraction form
    29,061.30/43,570.35 = 12,407.70/x
  3. Step 3: Cross multiply
    29,061.30x = 43,570.35 × 12,407.70
  4. Step 4: Simplify right side
    29,061.30x = 540,607,831.70
  5. Step 5: Solve for x
    x = 540,607,831.70/29,061.30
  6. Step 6: Final answer
    x = 18,602.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.