Home / 30,178.81-41,646.45-16,750.18

Finding the Fourth Proportional to 30,178.81, 41,646.45 and 16,750.18

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Solution

The fourth proportional to 30,178.81, 41,646.45 and 16,750.18 is: 23,115.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,178.81 : 41,646.45 = 16,750.18 : x
  2. Step 2: Convert to fraction form
    30,178.81/41,646.45 = 16,750.18/x
  3. Step 3: Cross multiply
    30,178.81x = 41,646.45 × 16,750.18
  4. Step 4: Simplify right side
    30,178.81x = 697,585,648.73
  5. Step 5: Solve for x
    x = 697,585,648.73/30,178.81
  6. Step 6: Final answer
    x = 23,115.08

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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.