Home / 30,847.56-42,569.73-16,700.46

Finding the Fourth Proportional to 30,847.56, 42,569.73 and 16,700.46

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Solution

The fourth proportional to 30,847.56, 42,569.73 and 16,700.46 is: 23,046.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,847.56 : 42,569.73 = 16,700.46 : x
  2. Step 2: Convert to fraction form
    30,847.56/42,569.73 = 16,700.46/x
  3. Step 3: Cross multiply
    30,847.56x = 42,569.73 × 16,700.46
  4. Step 4: Simplify right side
    30,847.56x = 710,934,073.08
  5. Step 5: Solve for x
    x = 710,934,073.08/30,847.56
  6. Step 6: Final answer
    x = 23,046.69

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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.