Home / 60,812.35-91,223.38-21,378.31

Finding the Fourth Proportional to 60,812.35, 91,223.38 and 21,378.31

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Solution

The fourth proportional to 60,812.35, 91,223.38 and 21,378.31 is: 32,069.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,812.35 : 91,223.38 = 21,378.31 : x
  2. Step 2: Convert to fraction form
    60,812.35/91,223.38 = 21,378.31/x
  3. Step 3: Cross multiply
    60,812.35x = 91,223.38 × 21,378.31
  4. Step 4: Simplify right side
    60,812.35x = 1,950,201,495.55
  5. Step 5: Solve for x
    x = 1,950,201,495.55/60,812.35
  6. Step 6: Final answer
    x = 32,069.17

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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.