Home / 74,567.14-111,812.10-21,969.70

Finding the Fourth Proportional to 74,567.14, 111,812.10 and 21,969.70

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Solution

The fourth proportional to 74,567.14, 111,812.10 and 21,969.70 is: 32,943.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,567.14 : 111,812.10 = 21,969.70 : x
  2. Step 2: Convert to fraction form
    74,567.14/111,812.10 = 21,969.70/x
  3. Step 3: Cross multiply
    74,567.14x = 111,812.10 × 21,969.70
  4. Step 4: Simplify right side
    74,567.14x = 2,456,478,293.37
  5. Step 5: Solve for x
    x = 2,456,478,293.37/74,567.14
  6. Step 6: Final answer
    x = 32,943.17

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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.