Home / 63,509.21-95,268.47-21,389.07

Finding the Fourth Proportional to 63,509.21, 95,268.47 and 21,389.07

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Solution

The fourth proportional to 63,509.21, 95,268.47 and 21,389.07 is: 32,085.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,509.21 : 95,268.47 = 21,389.07 : x
  2. Step 2: Convert to fraction form
    63,509.21/95,268.47 = 21,389.07/x
  3. Step 3: Cross multiply
    63,509.21x = 95,268.47 × 21,389.07
  4. Step 4: Simplify right side
    63,509.21x = 2,037,703,866.68
  5. Step 5: Solve for x
    x = 2,037,703,866.68/63,509.21
  6. Step 6: Final answer
    x = 32,085.17

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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.