Home / 64,888.82-97,332.60-20,515.56

Finding the Fourth Proportional to 64,888.82, 97,332.60 and 20,515.56

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Solution

The fourth proportional to 64,888.82, 97,332.60 and 20,515.56 is: 30,773.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,888.82 : 97,332.60 = 20,515.56 : x
  2. Step 2: Convert to fraction form
    64,888.82/97,332.60 = 20,515.56/x
  3. Step 3: Cross multiply
    64,888.82x = 97,332.60 × 20,515.56
  4. Step 4: Simplify right side
    64,888.82x = 1,996,832,795.26
  5. Step 5: Solve for x
    x = 1,996,832,795.26/64,888.82
  6. Step 6: Final answer
    x = 30,773.14

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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.