Home / 30,389.42-41,935.65-16,959.62

Finding the Fourth Proportional to 30,389.42, 41,935.65 and 16,959.62

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Solution

The fourth proportional to 30,389.42, 41,935.65 and 16,959.62 is: 23,403.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,389.42 : 41,935.65 = 16,959.62 : x
  2. Step 2: Convert to fraction form
    30,389.42/41,935.65 = 16,959.62/x
  3. Step 3: Cross multiply
    30,389.42x = 41,935.65 × 16,959.62
  4. Step 4: Simplify right side
    30,389.42x = 711,212,688.45
  5. Step 5: Solve for x
    x = 711,212,688.45/30,389.42
  6. Step 6: Final answer
    x = 23,403.30

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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.