Home / 38,135.40-52,641.32-22,225

Finding the Fourth Proportional to 38,135.40, 52,641.32 and 22,225

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Solution

The fourth proportional to 38,135.40, 52,641.32 and 22,225 is: 30,678.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,135.40 : 52,641.32 = 22,225 : x
  2. Step 2: Convert to fraction form
    38,135.40/52,641.32 = 22,225/x
  3. Step 3: Cross multiply
    38,135.40x = 52,641.32 × 22,225
  4. Step 4: Simplify right side
    38,135.40x = 1,169,953,337
  5. Step 5: Solve for x
    x = 1,169,953,337/38,135.40
  6. Step 6: Final answer
    x = 30,678.93

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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.