Home / 30,833.47-42,550.19-16,686.31

Finding the Fourth Proportional to 30,833.47, 42,550.19 and 16,686.31

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Solution

The fourth proportional to 30,833.47, 42,550.19 and 16,686.31 is: 23,027.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,833.47 : 42,550.19 = 16,686.31 : x
  2. Step 2: Convert to fraction form
    30,833.47/42,550.19 = 16,686.31/x
  3. Step 3: Cross multiply
    30,833.47x = 42,550.19 × 16,686.31
  4. Step 4: Simplify right side
    30,833.47x = 710,005,630.66
  5. Step 5: Solve for x
    x = 710,005,630.66/30,833.47
  6. Step 6: Final answer
    x = 23,027.11

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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.