Home / 38,250.45-52,783.90-21,255.89

Finding the Fourth Proportional to 38,250.45, 52,783.90 and 21,255.89

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Solution

The fourth proportional to 38,250.45, 52,783.90 and 21,255.89 is: 29,332.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,250.45 : 52,783.90 = 21,255.89 : x
  2. Step 2: Convert to fraction form
    38,250.45/52,783.90 = 21,255.89/x
  3. Step 3: Cross multiply
    38,250.45x = 52,783.90 × 21,255.89
  4. Step 4: Simplify right side
    38,250.45x = 1,121,968,455.11
  5. Step 5: Solve for x
    x = 1,121,968,455.11/38,250.45
  6. Step 6: Final answer
    x = 29,332.16

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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.