Home / 39,264.36-54,184.26-21,359.50

Finding the Fourth Proportional to 39,264.36, 54,184.26 and 21,359.50

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Solution

The fourth proportional to 39,264.36, 54,184.26 and 21,359.50 is: 29,475.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,264.36 : 54,184.26 = 21,359.50 : x
  2. Step 2: Convert to fraction form
    39,264.36/54,184.26 = 21,359.50/x
  3. Step 3: Cross multiply
    39,264.36x = 54,184.26 × 21,359.50
  4. Step 4: Simplify right side
    39,264.36x = 1,157,348,701.47
  5. Step 5: Solve for x
    x = 1,157,348,701.47/39,264.36
  6. Step 6: Final answer
    x = 29,475.81

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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.