Home / 53,231.50-79,681.17-39,207.36

Finding the Fourth Proportional to 53,231.50, 79,681.17 and 39,207.36

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Solution

The fourth proportional to 53,231.50, 79,681.17 and 39,207.36 is: 58,688.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,231.50 : 79,681.17 = 39,207.36 : x
  2. Step 2: Convert to fraction form
    53,231.50/79,681.17 = 39,207.36/x
  3. Step 3: Cross multiply
    53,231.50x = 79,681.17 × 39,207.36
  4. Step 4: Simplify right side
    53,231.50x = 3,124,088,121.37
  5. Step 5: Solve for x
    x = 3,124,088,121.37/53,231.50
  6. Step 6: Final answer
    x = 58,688.71

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1.5x scale

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.