Home / 30,799.88-42,503.84-16,652.72

Finding the Fourth Proportional to 30,799.88, 42,503.84 and 16,652.72

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Solution

The fourth proportional to 30,799.88, 42,503.84 and 16,652.72 is: 22,980.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,799.88 : 42,503.84 = 16,652.72 : x
  2. Step 2: Convert to fraction form
    30,799.88/42,503.84 = 16,652.72/x
  3. Step 3: Cross multiply
    30,799.88x = 42,503.84 × 16,652.72
  4. Step 4: Simplify right side
    30,799.88x = 707,804,250.66
  5. Step 5: Solve for x
    x = 707,804,250.66/30,799.88
  6. Step 6: Final answer
    x = 22,980.75

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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.