Home / 45,301.48-67,848.76-21,625.68

Finding the Fourth Proportional to 45,301.48, 67,848.76 and 21,625.68

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Solution

The fourth proportional to 45,301.48, 67,848.76 and 21,625.68 is: 32,389.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,301.48 : 67,848.76 = 21,625.68 : x
  2. Step 2: Convert to fraction form
    45,301.48/67,848.76 = 21,625.68/x
  3. Step 3: Cross multiply
    45,301.48x = 67,848.76 × 21,625.68
  4. Step 4: Simplify right side
    45,301.48x = 1,467,275,572.16
  5. Step 5: Solve for x
    x = 1,467,275,572.16/45,301.48
  6. Step 6: Final answer
    x = 32,389.13

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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.