Home / 35,456.19-53,090.37-21,397.47

Finding the Fourth Proportional to 35,456.19, 53,090.37 and 21,397.47

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Solution

The fourth proportional to 35,456.19, 53,090.37 and 21,397.47 is: 32,039.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,456.19 : 53,090.37 = 21,397.47 : x
  2. Step 2: Convert to fraction form
    35,456.19/53,090.37 = 21,397.47/x
  3. Step 3: Cross multiply
    35,456.19x = 53,090.37 × 21,397.47
  4. Step 4: Simplify right side
    35,456.19x = 1,135,999,599.36
  5. Step 5: Solve for x
    x = 1,135,999,599.36/35,456.19
  6. Step 6: Final answer
    x = 32,039.53

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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.