Home / 39,024.06-53,853.37-21,119.07

Finding the Fourth Proportional to 39,024.06, 53,853.37 and 21,119.07

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Solution

The fourth proportional to 39,024.06, 53,853.37 and 21,119.07 is: 29,144.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,024.06 : 53,853.37 = 21,119.07 : x
  2. Step 2: Convert to fraction form
    39,024.06/53,853.37 = 21,119.07/x
  3. Step 3: Cross multiply
    39,024.06x = 53,853.37 × 21,119.07
  4. Step 4: Simplify right side
    39,024.06x = 1,137,333,090.77
  5. Step 5: Solve for x
    x = 1,137,333,090.77/39,024.06
  6. Step 6: Final answer
    x = 29,144.41

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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.