Home / 35,931.06-53,847.45-18,364.05

Finding the Fourth Proportional to 35,931.06, 53,847.45 and 18,364.05

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Solution

The fourth proportional to 35,931.06, 53,847.45 and 18,364.05 is: 27,520.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,931.06 : 53,847.45 = 18,364.05 : x
  2. Step 2: Convert to fraction form
    35,931.06/53,847.45 = 18,364.05/x
  3. Step 3: Cross multiply
    35,931.06x = 53,847.45 × 18,364.05
  4. Step 4: Simplify right side
    35,931.06x = 988,857,264.17
  5. Step 5: Solve for x
    x = 988,857,264.17/35,931.06
  6. Step 6: Final answer
    x = 27,520.96

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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.