Home / 31,408.84-43,345.02-17,262.06

Finding the Fourth Proportional to 31,408.84, 43,345.02 and 17,262.06

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Solution

The fourth proportional to 31,408.84, 43,345.02 and 17,262.06 is: 23,822.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,408.84 : 43,345.02 = 17,262.06 : x
  2. Step 2: Convert to fraction form
    31,408.84/43,345.02 = 17,262.06/x
  3. Step 3: Cross multiply
    31,408.84x = 43,345.02 × 17,262.06
  4. Step 4: Simplify right side
    31,408.84x = 748,224,119.22
  5. Step 5: Solve for x
    x = 748,224,119.22/31,408.84
  6. Step 6: Final answer
    x = 23,822.09

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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.