Home / 34,302.78-47,339.58-20,160.18

Finding the Fourth Proportional to 34,302.78, 47,339.58 and 20,160.18

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Solution

The fourth proportional to 34,302.78, 47,339.58 and 20,160.18 is: 27,822.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,302.78 : 47,339.58 = 20,160.18 : x
  2. Step 2: Convert to fraction form
    34,302.78/47,339.58 = 20,160.18/x
  3. Step 3: Cross multiply
    34,302.78x = 47,339.58 × 20,160.18
  4. Step 4: Simplify right side
    34,302.78x = 954,374,453.92
  5. Step 5: Solve for x
    x = 954,374,453.92/34,302.78
  6. Step 6: Final answer
    x = 27,822.07

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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.