Home / 53,123.28-79,666.34-15,673.40

Finding the Fourth Proportional to 53,123.28, 79,666.34 and 15,673.40

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Solution

The fourth proportional to 53,123.28, 79,666.34 and 15,673.40 is: 23,504.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,123.28 : 79,666.34 = 15,673.40 : x
  2. Step 2: Convert to fraction form
    53,123.28/79,666.34 = 15,673.40/x
  3. Step 3: Cross multiply
    53,123.28x = 79,666.34 × 15,673.40
  4. Step 4: Simplify right side
    53,123.28x = 1,248,642,413.36
  5. Step 5: Solve for x
    x = 1,248,642,413.36/53,123.28
  6. Step 6: Final answer
    x = 23,504.62

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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.