Home / 53,781.75-74,090.35-37,618.88

Finding the Fourth Proportional to 53,781.75, 74,090.35 and 37,618.88

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Solution

The fourth proportional to 53,781.75, 74,090.35 and 37,618.88 is: 51,824.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,781.75 : 74,090.35 = 37,618.88 : x
  2. Step 2: Convert to fraction form
    53,781.75/74,090.35 = 37,618.88/x
  3. Step 3: Cross multiply
    53,781.75x = 74,090.35 × 37,618.88
  4. Step 4: Simplify right side
    53,781.75x = 2,787,195,752.13
  5. Step 5: Solve for x
    x = 2,787,195,752.13/53,781.75
  6. Step 6: Final answer
    x = 51,824.19

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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.