Home / 39,935.19-59,851.91-21,224.19

Finding the Fourth Proportional to 39,935.19, 59,851.91 and 21,224.19

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Solution

The fourth proportional to 39,935.19, 59,851.91 and 21,224.19 is: 31,809.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,935.19 : 59,851.91 = 21,224.19 : x
  2. Step 2: Convert to fraction form
    39,935.19/59,851.91 = 21,224.19/x
  3. Step 3: Cross multiply
    39,935.19x = 59,851.91 × 21,224.19
  4. Step 4: Simplify right side
    39,935.19x = 1,270,308,587.21
  5. Step 5: Solve for x
    x = 1,270,308,587.21/39,935.19
  6. Step 6: Final answer
    x = 31,809.25

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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.