Home / 64,686.36-97,033.66-20,314.87

Finding the Fourth Proportional to 64,686.36, 97,033.66 and 20,314.87

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Solution

The fourth proportional to 64,686.36, 97,033.66 and 20,314.87 is: 30,473.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,686.36 : 97,033.66 = 20,314.87 : x
  2. Step 2: Convert to fraction form
    64,686.36/97,033.66 = 20,314.87/x
  3. Step 3: Cross multiply
    64,686.36x = 97,033.66 × 20,314.87
  4. Step 4: Simplify right side
    64,686.36x = 1,971,225,895.15
  5. Step 5: Solve for x
    x = 1,971,225,895.15/64,686.36
  6. Step 6: Final answer
    x = 30,473.59

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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.