Home / 51,632.57-71,261.00-28,980.74

Finding the Fourth Proportional to 51,632.57, 71,261.00 and 28,980.74

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Solution

The fourth proportional to 51,632.57, 71,261.00 and 28,980.74 is: 39,997.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,632.57 : 71,261.00 = 28,980.74 : x
  2. Step 2: Convert to fraction form
    51,632.57/71,261.00 = 28,980.74/x
  3. Step 3: Cross multiply
    51,632.57x = 71,261.00 × 28,980.74
  4. Step 4: Simplify right side
    51,632.57x = 2,065,196,655.07
  5. Step 5: Solve for x
    x = 2,065,196,655.07/51,632.57
  6. Step 6: Final answer
    x = 39,997.94

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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.