Home / 49,985.28-74,940.89-30,259.17

Finding the Fourth Proportional to 49,985.28, 74,940.89 and 30,259.17

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Solution

The fourth proportional to 49,985.28, 74,940.89 and 30,259.17 is: 45,366.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,985.28 : 74,940.89 = 30,259.17 : x
  2. Step 2: Convert to fraction form
    49,985.28/74,940.89 = 30,259.17/x
  3. Step 3: Cross multiply
    49,985.28x = 74,940.89 × 30,259.17
  4. Step 4: Simplify right side
    49,985.28x = 2,267,648,979.17
  5. Step 5: Solve for x
    x = 2,267,648,979.17/49,985.28
  6. Step 6: Final answer
    x = 45,366.34

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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.