Home / 30,835.67-42,553.26-16,688.52

Finding the Fourth Proportional to 30,835.67, 42,553.26 and 16,688.52

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Solution

The fourth proportional to 30,835.67, 42,553.26 and 16,688.52 is: 23,030.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,835.67 : 42,553.26 = 16,688.52 : x
  2. Step 2: Convert to fraction form
    30,835.67/42,553.26 = 16,688.52/x
  3. Step 3: Cross multiply
    30,835.67x = 42,553.26 × 16,688.52
  4. Step 4: Simplify right side
    30,835.67x = 710,150,930.58
  5. Step 5: Solve for x
    x = 710,150,930.58/30,835.67
  6. Step 6: Final answer
    x = 23,030.18

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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.