Home / 57,235.60-78,987.18-33,358.42

Finding the Fourth Proportional to 57,235.60, 78,987.18 and 33,358.42

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Solution

The fourth proportional to 57,235.60, 78,987.18 and 33,358.42 is: 46,035.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,235.60 : 78,987.18 = 33,358.42 : x
  2. Step 2: Convert to fraction form
    57,235.60/78,987.18 = 33,358.42/x
  3. Step 3: Cross multiply
    57,235.60x = 78,987.18 × 33,358.42
  4. Step 4: Simplify right side
    57,235.60x = 2,634,887,525.06
  5. Step 5: Solve for x
    x = 2,634,887,525.06/57,235.60
  6. Step 6: Final answer
    x = 46,035.82

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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.