Home / 35,491.08-53,101.26-21,399.24

Finding the Fourth Proportional to 35,491.08, 53,101.26 and 21,399.24

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Solution

The fourth proportional to 35,491.08, 53,101.26 and 21,399.24 is: 32,017.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,491.08 : 53,101.26 = 21,399.24 : x
  2. Step 2: Convert to fraction form
    35,491.08/53,101.26 = 21,399.24/x
  3. Step 3: Cross multiply
    35,491.08x = 53,101.26 × 21,399.24
  4. Step 4: Simplify right side
    35,491.08x = 1,136,326,607.04
  5. Step 5: Solve for x
    x = 1,136,326,607.04/35,491.08
  6. Step 6: Final answer
    x = 32,017.25

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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.