Home / 66,301.25-99,470.43-21,959.24

Finding the Fourth Proportional to 66,301.25, 99,470.43 and 21,959.24

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Solution

The fourth proportional to 66,301.25, 99,470.43 and 21,959.24 is: 32,945.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,301.25 : 99,470.43 = 21,959.24 : x
  2. Step 2: Convert to fraction form
    66,301.25/99,470.43 = 21,959.24/x
  3. Step 3: Cross multiply
    66,301.25x = 99,470.43 × 21,959.24
  4. Step 4: Simplify right side
    66,301.25x = 2,184,294,547.92
  5. Step 5: Solve for x
    x = 2,184,294,547.92/66,301.25
  6. Step 6: Final answer
    x = 32,945.00

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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.