Home / 39,344.74-54,296.53-21,440.50

Finding the Fourth Proportional to 39,344.74, 54,296.53 and 21,440.50

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Solution

The fourth proportional to 39,344.74, 54,296.53 and 21,440.50 is: 29,588.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,344.74 : 54,296.53 = 21,440.50 : x
  2. Step 2: Convert to fraction form
    39,344.74/54,296.53 = 21,440.50/x
  3. Step 3: Cross multiply
    39,344.74x = 54,296.53 × 21,440.50
  4. Step 4: Simplify right side
    39,344.74x = 1,164,144,562.12
  5. Step 5: Solve for x
    x = 1,164,144,562.12/39,344.74
  6. Step 6: Final answer
    x = 29,588.32

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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.