Home / 38,634.63-57,960.63-20,864.91

Finding the Fourth Proportional to 38,634.63, 57,960.63 and 20,864.91

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Solution

The fourth proportional to 38,634.63, 57,960.63 and 20,864.91 is: 31,302.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,634.63 : 57,960.63 = 20,864.91 : x
  2. Step 2: Convert to fraction form
    38,634.63/57,960.63 = 20,864.91/x
  3. Step 3: Cross multiply
    38,634.63x = 57,960.63 × 20,864.91
  4. Step 4: Simplify right side
    38,634.63x = 1,209,343,328.49
  5. Step 5: Solve for x
    x = 1,209,343,328.49/38,634.63
  6. Step 6: Final answer
    x = 31,302.06

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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.