Home / 57,557.02-86,335.80-20,116.93

Finding the Fourth Proportional to 57,557.02, 86,335.80 and 20,116.93

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Solution

The fourth proportional to 57,557.02, 86,335.80 and 20,116.93 is: 30,175.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,557.02 : 86,335.80 = 20,116.93 : x
  2. Step 2: Convert to fraction form
    57,557.02/86,335.80 = 20,116.93/x
  3. Step 3: Cross multiply
    57,557.02x = 86,335.80 × 20,116.93
  4. Step 4: Simplify right side
    57,557.02x = 1,736,811,245.09
  5. Step 5: Solve for x
    x = 1,736,811,245.09/57,557.02
  6. Step 6: Final answer
    x = 30,175.49

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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.