Home / 35,391.13-53,107.89-13,220.08

Finding the Fourth Proportional to 35,391.13, 53,107.89 and 13,220.08

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Solution

The fourth proportional to 35,391.13, 53,107.89 and 13,220.08 is: 19,838.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,391.13 : 53,107.89 = 13,220.08 : x
  2. Step 2: Convert to fraction form
    35,391.13/53,107.89 = 13,220.08/x
  3. Step 3: Cross multiply
    35,391.13x = 53,107.89 × 13,220.08
  4. Step 4: Simplify right side
    35,391.13x = 702,090,637.63
  5. Step 5: Solve for x
    x = 702,090,637.63/35,391.13
  6. Step 6: Final answer
    x = 19,838.04

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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.