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Finding the Fourth Proportional to 64,765.84, 97,148.94 and 18,018.76

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Solution

The fourth proportional to 64,765.84, 97,148.94 and 18,018.76 is: 27,028.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,765.84 : 97,148.94 = 18,018.76 : x
  2. Step 2: Convert to fraction form
    64,765.84/97,148.94 = 18,018.76/x
  3. Step 3: Cross multiply
    64,765.84x = 97,148.94 × 18,018.76
  4. Step 4: Simplify right side
    64,765.84x = 1,750,503,434.11
  5. Step 5: Solve for x
    x = 1,750,503,434.11/64,765.84
  6. Step 6: Final answer
    x = 27,028.19

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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.