Home / 51,217.61-70,680.63-28,558.04

Finding the Fourth Proportional to 51,217.61, 70,680.63 and 28,558.04

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Solution

The fourth proportional to 51,217.61, 70,680.63 and 28,558.04 is: 39,410.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,217.61 : 70,680.63 = 28,558.04 : x
  2. Step 2: Convert to fraction form
    51,217.61/70,680.63 = 28,558.04/x
  3. Step 3: Cross multiply
    51,217.61x = 70,680.63 × 28,558.04
  4. Step 4: Simplify right side
    51,217.61x = 2,018,500,258.77
  5. Step 5: Solve for x
    x = 2,018,500,258.77/51,217.61
  6. Step 6: Final answer
    x = 39,410.28

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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.