Home / 61,782.23-85,261.49-34,187.20

Finding the Fourth Proportional to 61,782.23, 85,261.49 and 34,187.20

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Solution

The fourth proportional to 61,782.23, 85,261.49 and 34,187.20 is: 47,179.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,782.23 : 85,261.49 = 34,187.20 : x
  2. Step 2: Convert to fraction form
    61,782.23/85,261.49 = 34,187.20/x
  3. Step 3: Cross multiply
    61,782.23x = 85,261.49 × 34,187.20
  4. Step 4: Simplify right side
    61,782.23x = 2,914,851,610.93
  5. Step 5: Solve for x
    x = 2,914,851,610.93/61,782.23
  6. Step 6: Final answer
    x = 47,179.45

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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.