Home / 35,907.19-53,864.48-13,739.21

Finding the Fourth Proportional to 35,907.19, 53,864.48 and 13,739.21

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Solution

The fourth proportional to 35,907.19, 53,864.48 and 13,739.21 is: 20,610.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,907.19 : 53,864.48 = 13,739.21 : x
  2. Step 2: Convert to fraction form
    35,907.19/53,864.48 = 13,739.21/x
  3. Step 3: Cross multiply
    35,907.19x = 53,864.48 × 13,739.21
  4. Step 4: Simplify right side
    35,907.19x = 740,055,402.26
  5. Step 5: Solve for x
    x = 740,055,402.26/35,907.19
  6. Step 6: Final answer
    x = 20,610.23

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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.