Home / 34,348.24-47,386.92-20,178.64

Finding the Fourth Proportional to 34,348.24, 47,386.92 and 20,178.64

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Solution

The fourth proportional to 34,348.24, 47,386.92 and 20,178.64 is: 27,838.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,348.24 : 47,386.92 = 20,178.64 : x
  2. Step 2: Convert to fraction form
    34,348.24/47,386.92 = 20,178.64/x
  3. Step 3: Cross multiply
    34,348.24x = 47,386.92 × 20,178.64
  4. Step 4: Simplify right side
    34,348.24x = 956,203,599.39
  5. Step 5: Solve for x
    x = 956,203,599.39/34,348.24
  6. Step 6: Final answer
    x = 27,838.50

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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.