Home / 64,881.12-97,284.04-31,559.16

Finding the Fourth Proportional to 64,881.12, 97,284.04 and 31,559.16

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Solution

The fourth proportional to 64,881.12, 97,284.04 and 31,559.16 is: 47,320.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,881.12 : 97,284.04 = 31,559.16 : x
  2. Step 2: Convert to fraction form
    64,881.12/97,284.04 = 31,559.16/x
  3. Step 3: Cross multiply
    64,881.12x = 97,284.04 × 31,559.16
  4. Step 4: Simplify right side
    64,881.12x = 3,070,202,583.81
  5. Step 5: Solve for x
    x = 3,070,202,583.81/64,881.12
  6. Step 6: Final answer
    x = 47,320.43

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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.