Home / 53,470.16-80,274.36-28,863.44

Finding the Fourth Proportional to 53,470.16, 80,274.36 and 28,863.44

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Solution

The fourth proportional to 53,470.16, 80,274.36 and 28,863.44 is: 43,332.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,470.16 : 80,274.36 = 28,863.44 : x
  2. Step 2: Convert to fraction form
    53,470.16/80,274.36 = 28,863.44/x
  3. Step 3: Cross multiply
    53,470.16x = 80,274.36 × 28,863.44
  4. Step 4: Simplify right side
    53,470.16x = 2,316,994,173.40
  5. Step 5: Solve for x
    x = 2,316,994,173.40/53,470.16
  6. Step 6: Final answer
    x = 43,332.47

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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.