Home / 51,203.98-70,665.60-28,550.35

Finding the Fourth Proportional to 51,203.98, 70,665.60 and 28,550.35

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Solution

The fourth proportional to 51,203.98, 70,665.60 and 28,550.35 is: 39,401.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,203.98 : 70,665.60 = 28,550.35 : x
  2. Step 2: Convert to fraction form
    51,203.98/70,665.60 = 28,550.35/x
  3. Step 3: Cross multiply
    51,203.98x = 70,665.60 × 28,550.35
  4. Step 4: Simplify right side
    51,203.98x = 2,017,527,612.96
  5. Step 5: Solve for x
    x = 2,017,527,612.96/51,203.98
  6. Step 6: Final answer
    x = 39,401.77

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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.