Home / 64,875.38-97,304.70-20,506.62

Finding the Fourth Proportional to 64,875.38, 97,304.70 and 20,506.62

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Solution

The fourth proportional to 64,875.38, 97,304.70 and 20,506.62 is: 30,757.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,875.38 : 97,304.70 = 20,506.62 : x
  2. Step 2: Convert to fraction form
    64,875.38/97,304.70 = 20,506.62/x
  3. Step 3: Cross multiply
    64,875.38x = 97,304.70 × 20,506.62
  4. Step 4: Simplify right side
    64,875.38x = 1,995,390,507.11
  5. Step 5: Solve for x
    x = 1,995,390,507.11/64,875.38
  6. Step 6: Final answer
    x = 30,757.28

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1.5x scale

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.