Home / 39,416.37-54,395.86-22,420.17

Finding the Fourth Proportional to 39,416.37, 54,395.86 and 22,420.17

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Solution

The fourth proportional to 39,416.37, 54,395.86 and 22,420.17 is: 30,940.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,416.37 : 54,395.86 = 22,420.17 : x
  2. Step 2: Convert to fraction form
    39,416.37/54,395.86 = 22,420.17/x
  3. Step 3: Cross multiply
    39,416.37x = 54,395.86 × 22,420.17
  4. Step 4: Simplify right side
    39,416.37x = 1,219,564,428.50
  5. Step 5: Solve for x
    x = 1,219,564,428.50/39,416.37
  6. Step 6: Final answer
    x = 30,940.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.