Home / 51,580.24-71,179.48-28,920.36

Finding the Fourth Proportional to 51,580.24, 71,179.48 and 28,920.36

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Solution

The fourth proportional to 51,580.24, 71,179.48 and 28,920.36 is: 39,909.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,580.24 : 71,179.48 = 28,920.36 : x
  2. Step 2: Convert to fraction form
    51,580.24/71,179.48 = 28,920.36/x
  3. Step 3: Cross multiply
    51,580.24x = 71,179.48 × 28,920.36
  4. Step 4: Simplify right side
    51,580.24x = 2,058,536,186.21
  5. Step 5: Solve for x
    x = 2,058,536,186.21/51,580.24
  6. Step 6: Final answer
    x = 39,909.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.