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Finding the Fourth Proportional to 35,313.84, 52,972.58 and 9,018.81

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Solution

The fourth proportional to 35,313.84, 52,972.58 and 9,018.81 is: 13,528.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,313.84 : 52,972.58 = 9,018.81 : x
  2. Step 2: Convert to fraction form
    35,313.84/52,972.58 = 9,018.81/x
  3. Step 3: Cross multiply
    35,313.84x = 52,972.58 × 9,018.81
  4. Step 4: Simplify right side
    35,313.84x = 477,749,656.78
  5. Step 5: Solve for x
    x = 477,749,656.78/35,313.84
  6. Step 6: Final answer
    x = 13,528.68

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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.