Home / 45,353.71-62,522.16-31,699.36

Finding the Fourth Proportional to 45,353.71, 62,522.16 and 31,699.36

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Solution

The fourth proportional to 45,353.71, 62,522.16 and 31,699.36 is: 43,699.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,353.71 : 62,522.16 = 31,699.36 : x
  2. Step 2: Convert to fraction form
    45,353.71/62,522.16 = 31,699.36/x
  3. Step 3: Cross multiply
    45,353.71x = 62,522.16 × 31,699.36
  4. Step 4: Simplify right side
    45,353.71x = 1,981,912,457.82
  5. Step 5: Solve for x
    x = 1,981,912,457.82/45,353.71
  6. Step 6: Final answer
    x = 43,699.02

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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.