Home / 40,019.63-60,038.36-11,940.17

Finding the Fourth Proportional to 40,019.63, 60,038.36 and 11,940.17

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Solution

The fourth proportional to 40,019.63, 60,038.36 and 11,940.17 is: 17,912.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,019.63 : 60,038.36 = 11,940.17 : x
  2. Step 2: Convert to fraction form
    40,019.63/60,038.36 = 11,940.17/x
  3. Step 3: Cross multiply
    40,019.63x = 60,038.36 × 11,940.17
  4. Step 4: Simplify right side
    40,019.63x = 716,868,247.52
  5. Step 5: Solve for x
    x = 716,868,247.52/40,019.63
  6. Step 6: Final answer
    x = 17,912.92

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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.