Home / 34,156.64-51,242.80-10,782.40

Finding the Fourth Proportional to 34,156.64, 51,242.80 and 10,782.40

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Solution

The fourth proportional to 34,156.64, 51,242.80 and 10,782.40 is: 16,176.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,156.64 : 51,242.80 = 10,782.40 : x
  2. Step 2: Convert to fraction form
    34,156.64/51,242.80 = 10,782.40/x
  3. Step 3: Cross multiply
    34,156.64x = 51,242.80 × 10,782.40
  4. Step 4: Simplify right side
    34,156.64x = 552,520,366.72
  5. Step 5: Solve for x
    x = 552,520,366.72/34,156.64
  6. Step 6: Final answer
    x = 16,176.07

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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.