Home / 53,419.02-80,133.92-13,976.47

Finding the Fourth Proportional to 53,419.02, 80,133.92 and 13,976.47

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Solution

The fourth proportional to 53,419.02, 80,133.92 and 13,976.47 is: 20,966.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,419.02 : 80,133.92 = 13,976.47 : x
  2. Step 2: Convert to fraction form
    53,419.02/80,133.92 = 13,976.47/x
  3. Step 3: Cross multiply
    53,419.02x = 80,133.92 × 13,976.47
  4. Step 4: Simplify right side
    53,419.02x = 1,119,989,328.86
  5. Step 5: Solve for x
    x = 1,119,989,328.86/53,419.02
  6. Step 6: Final answer
    x = 20,966.12

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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.