Home / 53,170.48-73,371-30,815.92

Finding the Fourth Proportional to 53,170.48, 73,371 and 30,815.92

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Solution

The fourth proportional to 53,170.48, 73,371 and 30,815.92 is: 42,523.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,170.48 : 73,371 = 30,815.92 : x
  2. Step 2: Convert to fraction form
    53,170.48/73,371 = 30,815.92/x
  3. Step 3: Cross multiply
    53,170.48x = 73,371 × 30,815.92
  4. Step 4: Simplify right side
    53,170.48x = 2,260,994,866.32
  5. Step 5: Solve for x
    x = 2,260,994,866.32/53,170.48
  6. Step 6: Final answer
    x = 42,523.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.