Home / 53,328.52-79,992.78-20,473.48

Finding the Fourth Proportional to 53,328.52, 79,992.78 and 20,473.48

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Solution

The fourth proportional to 53,328.52, 79,992.78 and 20,473.48 is: 30,710.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,328.52 : 79,992.78 = 20,473.48 : x
  2. Step 2: Convert to fraction form
    53,328.52/79,992.78 = 20,473.48/x
  3. Step 3: Cross multiply
    53,328.52x = 79,992.78 × 20,473.48
  4. Step 4: Simplify right side
    53,328.52x = 1,637,730,581.47
  5. Step 5: Solve for x
    x = 1,637,730,581.47/53,328.52
  6. Step 6: Final answer
    x = 30,710.22

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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.