Home / 65,272.32-97,903.31-20,887.16

Finding the Fourth Proportional to 65,272.32, 97,903.31 and 20,887.16

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Solution

The fourth proportional to 65,272.32, 97,903.31 and 20,887.16 is: 31,329.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,272.32 : 97,903.31 = 20,887.16 : x
  2. Step 2: Convert to fraction form
    65,272.32/97,903.31 = 20,887.16/x
  3. Step 3: Cross multiply
    65,272.32x = 97,903.31 × 20,887.16
  4. Step 4: Simplify right side
    65,272.32x = 2,044,921,506.55
  5. Step 5: Solve for x
    x = 2,044,921,506.55/65,272.32
  6. Step 6: Final answer
    x = 31,329.08

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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.