Home / 50,957.76-70,320.40-28,296.16

Finding the Fourth Proportional to 50,957.76, 70,320.40 and 28,296.16

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Solution

The fourth proportional to 50,957.76, 70,320.40 and 28,296.16 is: 39,047.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,957.76 : 70,320.40 = 28,296.16 : x
  2. Step 2: Convert to fraction form
    50,957.76/70,320.40 = 28,296.16/x
  3. Step 3: Cross multiply
    50,957.76x = 70,320.40 × 28,296.16
  4. Step 4: Simplify right side
    50,957.76x = 1,989,797,289.66
  5. Step 5: Solve for x
    x = 1,989,797,289.66/50,957.76
  6. Step 6: Final answer
    x = 39,047.97

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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.