Home / 65,312.06-97,982.73-20,941.47

Finding the Fourth Proportional to 65,312.06, 97,982.73 and 20,941.47

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Solution

The fourth proportional to 65,312.06, 97,982.73 and 20,941.47 is: 31,416.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,312.06 : 97,982.73 = 20,941.47 : x
  2. Step 2: Convert to fraction form
    65,312.06/97,982.73 = 20,941.47/x
  3. Step 3: Cross multiply
    65,312.06x = 97,982.73 × 20,941.47
  4. Step 4: Simplify right side
    65,312.06x = 2,051,902,400.81
  5. Step 5: Solve for x
    x = 2,051,902,400.81/65,312.06
  6. Step 6: Final answer
    x = 31,416.90

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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.