Home / 38,240.78-52,835.63-30,235.68

Finding the Fourth Proportional to 38,240.78, 52,835.63 and 30,235.68

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Solution

The fourth proportional to 38,240.78, 52,835.63 and 30,235.68 is: 41,775.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,240.78 : 52,835.63 = 30,235.68 : x
  2. Step 2: Convert to fraction form
    38,240.78/52,835.63 = 30,235.68/x
  3. Step 3: Cross multiply
    38,240.78x = 52,835.63 × 30,235.68
  4. Step 4: Simplify right side
    38,240.78x = 1,597,521,050.10
  5. Step 5: Solve for x
    x = 1,597,521,050.10/38,240.78
  6. Step 6: Final answer
    x = 41,775.33

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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.