Home / 30,803.48-42,508.82-16,656.32

Finding the Fourth Proportional to 30,803.48, 42,508.82 and 16,656.32

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Solution

The fourth proportional to 30,803.48, 42,508.82 and 16,656.32 is: 22,985.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,803.48 : 42,508.82 = 16,656.32 : x
  2. Step 2: Convert to fraction form
    30,803.48/42,508.82 = 16,656.32/x
  3. Step 3: Cross multiply
    30,803.48x = 42,508.82 × 16,656.32
  4. Step 4: Simplify right side
    30,803.48x = 708,040,656.66
  5. Step 5: Solve for x
    x = 708,040,656.66/30,803.48
  6. Step 6: Final answer
    x = 22,985.74

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Similar ratio
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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.