Home / 40,022.16-60,036.65-11,940.40

Finding the Fourth Proportional to 40,022.16, 60,036.65 and 11,940.40

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Solution

The fourth proportional to 40,022.16, 60,036.65 and 11,940.40 is: 17,911.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,022.16 : 60,036.65 = 11,940.40 : x
  2. Step 2: Convert to fraction form
    40,022.16/60,036.65 = 11,940.40/x
  3. Step 3: Cross multiply
    40,022.16x = 60,036.65 × 11,940.40
  4. Step 4: Simplify right side
    40,022.16x = 716,861,615.66
  5. Step 5: Solve for x
    x = 716,861,615.66/40,022.16
  6. Step 6: Final answer
    x = 17,911.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.