Home / 51,208.55-70,669.10-28,551.23

Finding the Fourth Proportional to 51,208.55, 70,669.10 and 28,551.23

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Solution

The fourth proportional to 51,208.55, 70,669.10 and 28,551.23 is: 39,401.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,208.55 : 70,669.10 = 28,551.23 : x
  2. Step 2: Convert to fraction form
    51,208.55/70,669.10 = 28,551.23/x
  3. Step 3: Cross multiply
    51,208.55x = 70,669.10 × 28,551.23
  4. Step 4: Simplify right side
    51,208.55x = 2,017,689,585.24
  5. Step 5: Solve for x
    x = 2,017,689,585.24/51,208.55
  6. Step 6: Final answer
    x = 39,401.42

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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.