Home / 51,541.84-71,126.02-28,570.70

Finding the Fourth Proportional to 51,541.84, 71,126.02 and 28,570.70

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Solution

The fourth proportional to 51,541.84, 71,126.02 and 28,570.70 is: 39,426.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,541.84 : 71,126.02 = 28,570.70 : x
  2. Step 2: Convert to fraction form
    51,541.84/71,126.02 = 28,570.70/x
  3. Step 3: Cross multiply
    51,541.84x = 71,126.02 × 28,570.70
  4. Step 4: Simplify right side
    51,541.84x = 2,032,120,273.46
  5. Step 5: Solve for x
    x = 2,032,120,273.46/51,541.84
  6. Step 6: Final answer
    x = 39,426.61

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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.