Home / 38,235.75-52,765.32-21,240.93

Finding the Fourth Proportional to 38,235.75, 52,765.32 and 21,240.93

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Solution

The fourth proportional to 38,235.75, 52,765.32 and 21,240.93 is: 29,312.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,235.75 : 52,765.32 = 21,240.93 : x
  2. Step 2: Convert to fraction form
    38,235.75/52,765.32 = 21,240.93/x
  3. Step 3: Cross multiply
    38,235.75x = 52,765.32 × 21,240.93
  4. Step 4: Simplify right side
    38,235.75x = 1,120,784,746.07
  5. Step 5: Solve for x
    x = 1,120,784,746.07/38,235.75
  6. Step 6: Final answer
    x = 29,312.49

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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.