Home / 55,461.72-83,191.34-23,892.78

Finding the Fourth Proportional to 55,461.72, 83,191.34 and 23,892.78

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Solution

The fourth proportional to 55,461.72, 83,191.34 and 23,892.78 is: 35,838.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,461.72 : 83,191.34 = 23,892.78 : x
  2. Step 2: Convert to fraction form
    55,461.72/83,191.34 = 23,892.78/x
  3. Step 3: Cross multiply
    55,461.72x = 83,191.34 × 23,892.78
  4. Step 4: Simplify right side
    55,461.72x = 1,987,672,384.53
  5. Step 5: Solve for x
    x = 1,987,672,384.53/55,461.72
  6. Step 6: Final answer
    x = 35,838.64

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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.