Home / 38,058.35-52,519.69-20,830.63

Finding the Fourth Proportional to 38,058.35, 52,519.69 and 20,830.63

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Solution

The fourth proportional to 38,058.35, 52,519.69 and 20,830.63 is: 28,745.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,058.35 : 52,519.69 = 20,830.63 : x
  2. Step 2: Convert to fraction form
    38,058.35/52,519.69 = 20,830.63/x
  3. Step 3: Cross multiply
    38,058.35x = 52,519.69 × 20,830.63
  4. Step 4: Simplify right side
    38,058.35x = 1,094,018,230.10
  5. Step 5: Solve for x
    x = 1,094,018,230.10/38,058.35
  6. Step 6: Final answer
    x = 28,745.81

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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.