Home / 53,121.29-79,663.34-15,671.41

Finding the Fourth Proportional to 53,121.29, 79,663.34 and 15,671.41

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Solution

The fourth proportional to 53,121.29, 79,663.34 and 15,671.41 is: 23,501.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,121.29 : 79,663.34 = 15,671.41 : x
  2. Step 2: Convert to fraction form
    53,121.29/79,663.34 = 15,671.41/x
  3. Step 3: Cross multiply
    53,121.29x = 79,663.34 × 15,671.41
  4. Step 4: Simplify right side
    53,121.29x = 1,248,436,703.13
  5. Step 5: Solve for x
    x = 1,248,436,703.13/53,121.29
  6. Step 6: Final answer
    x = 23,501.63

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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.