Home / 64,399.48-96,531.05-21,664.23

Finding the Fourth Proportional to 64,399.48, 96,531.05 and 21,664.23

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Solution

The fourth proportional to 64,399.48, 96,531.05 and 21,664.23 is: 32,473.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,399.48 : 96,531.05 = 21,664.23 : x
  2. Step 2: Convert to fraction form
    64,399.48/96,531.05 = 21,664.23/x
  3. Step 3: Cross multiply
    64,399.48x = 96,531.05 × 21,664.23
  4. Step 4: Simplify right side
    64,399.48x = 2,091,270,869.34
  5. Step 5: Solve for x
    x = 2,091,270,869.34/64,399.48
  6. Step 6: Final answer
    x = 32,473.41

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1.5x scale

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.