Home / 30,799.80-42,503.70-16,652.52

Finding the Fourth Proportional to 30,799.80, 42,503.70 and 16,652.52

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Solution

The fourth proportional to 30,799.80, 42,503.70 and 16,652.52 is: 22,980.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,799.80 : 42,503.70 = 16,652.52 : x
  2. Step 2: Convert to fraction form
    30,799.80/42,503.70 = 16,652.52/x
  3. Step 3: Cross multiply
    30,799.80x = 42,503.70 × 16,652.52
  4. Step 4: Simplify right side
    30,799.80x = 707,793,714.32
  5. Step 5: Solve for x
    x = 707,793,714.32/30,799.80
  6. Step 6: Final answer
    x = 22,980.46

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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.