Home / 51,200.32-70,660.64-28,846.40

Finding the Fourth Proportional to 51,200.32, 70,660.64 and 28,846.40

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Solution

The fourth proportional to 51,200.32, 70,660.64 and 28,846.40 is: 39,810.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,200.32 : 70,660.64 = 28,846.40 : x
  2. Step 2: Convert to fraction form
    51,200.32/70,660.64 = 28,846.40/x
  3. Step 3: Cross multiply
    51,200.32x = 70,660.64 × 28,846.40
  4. Step 4: Simplify right side
    51,200.32x = 2,038,305,085.70
  5. Step 5: Solve for x
    x = 2,038,305,085.70/51,200.32
  6. Step 6: Final answer
    x = 39,810.40

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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.