Home / 35,417.76-53,100.60-21,382.80

Finding the Fourth Proportional to 35,417.76, 53,100.60 and 21,382.80

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Solution

The fourth proportional to 35,417.76, 53,100.60 and 21,382.80 is: 32,058.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,417.76 : 53,100.60 = 21,382.80 : x
  2. Step 2: Convert to fraction form
    35,417.76/53,100.60 = 21,382.80/x
  3. Step 3: Cross multiply
    35,417.76x = 53,100.60 × 21,382.80
  4. Step 4: Simplify right side
    35,417.76x = 1,135,439,509.68
  5. Step 5: Solve for x
    x = 1,135,439,509.68/35,417.76
  6. Step 6: Final answer
    x = 32,058.48

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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.