Home / 57,967.97-86,946.48-18,518.13

Finding the Fourth Proportional to 57,967.97, 86,946.48 and 18,518.13

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Solution

The fourth proportional to 57,967.97, 86,946.48 and 18,518.13 is: 27,775.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,967.97 : 86,946.48 = 18,518.13 : x
  2. Step 2: Convert to fraction form
    57,967.97/86,946.48 = 18,518.13/x
  3. Step 3: Cross multiply
    57,967.97x = 86,946.48 × 18,518.13
  4. Step 4: Simplify right side
    57,967.97x = 1,610,086,219.68
  5. Step 5: Solve for x
    x = 1,610,086,219.68/57,967.97
  6. Step 6: Final answer
    x = 27,775.45

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1.5x scale

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.