Home / 64,727.21-97,095-20,355.68

Finding the Fourth Proportional to 64,727.21, 97,095 and 20,355.68

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Solution

The fourth proportional to 64,727.21, 97,095 and 20,355.68 is: 30,534.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,727.21 : 97,095 = 20,355.68 : x
  2. Step 2: Convert to fraction form
    64,727.21/97,095 = 20,355.68/x
  3. Step 3: Cross multiply
    64,727.21x = 97,095 × 20,355.68
  4. Step 4: Simplify right side
    64,727.21x = 1,976,434,264.13
  5. Step 5: Solve for x
    x = 1,976,434,264.13/64,727.21
  6. Step 6: Final answer
    x = 30,534.83

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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.