Home / 64,857.04-97,298.56-20,487.92

Finding the Fourth Proportional to 64,857.04, 97,298.56 and 20,487.92

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Solution

The fourth proportional to 64,857.04, 97,298.56 and 20,487.92 is: 30,735.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,857.04 : 97,298.56 = 20,487.92 : x
  2. Step 2: Convert to fraction form
    64,857.04/97,298.56 = 20,487.92/x
  3. Step 3: Cross multiply
    64,857.04x = 97,298.56 × 20,487.92
  4. Step 4: Simplify right side
    64,857.04x = 1,993,445,113.40
  5. Step 5: Solve for x
    x = 1,993,445,113.40/64,857.04
  6. Step 6: Final answer
    x = 30,735.99

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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.