Home / 30,799.76-42,503.60-16,652.57

Finding the Fourth Proportional to 30,799.76, 42,503.60 and 16,652.57

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Solution

The fourth proportional to 30,799.76, 42,503.60 and 16,652.57 is: 22,980.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,799.76 : 42,503.60 = 16,652.57 : x
  2. Step 2: Convert to fraction form
    30,799.76/42,503.60 = 16,652.57/x
  3. Step 3: Cross multiply
    30,799.76x = 42,503.60 × 16,652.57
  4. Step 4: Simplify right side
    30,799.76x = 707,794,003.37
  5. Step 5: Solve for x
    x = 707,794,003.37/30,799.76
  6. Step 6: Final answer
    x = 22,980.51

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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.