Home / 65,663.02-98,516.40-21,291.22

Finding the Fourth Proportional to 65,663.02, 98,516.40 and 21,291.22

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Solution

The fourth proportional to 65,663.02, 98,516.40 and 21,291.22 is: 31,943.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,663.02 : 98,516.40 = 21,291.22 : x
  2. Step 2: Convert to fraction form
    65,663.02/98,516.40 = 21,291.22/x
  3. Step 3: Cross multiply
    65,663.02x = 98,516.40 × 21,291.22
  4. Step 4: Simplify right side
    65,663.02x = 2,097,534,346.01
  5. Step 5: Solve for x
    x = 2,097,534,346.01/65,663.02
  6. Step 6: Final answer
    x = 31,943.92

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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.