Home / 65,323.16-97,985.28-20,949.98

Finding the Fourth Proportional to 65,323.16, 97,985.28 and 20,949.98

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Solution

The fourth proportional to 65,323.16, 97,985.28 and 20,949.98 is: 31,425.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,323.16 : 97,985.28 = 20,949.98 : x
  2. Step 2: Convert to fraction form
    65,323.16/97,985.28 = 20,949.98/x
  3. Step 3: Cross multiply
    65,323.16x = 97,985.28 × 20,949.98
  4. Step 4: Simplify right side
    65,323.16x = 2,052,789,656.29
  5. Step 5: Solve for x
    x = 2,052,789,656.29/65,323.16
  6. Step 6: Final answer
    x = 31,425.14

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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.