Home / 47,953.50-66,180.75-28,839.54

Finding the Fourth Proportional to 47,953.50, 66,180.75 and 28,839.54

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Solution

The fourth proportional to 47,953.50, 66,180.75 and 28,839.54 is: 39,801.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,953.50 : 66,180.75 = 28,839.54 : x
  2. Step 2: Convert to fraction form
    47,953.50/66,180.75 = 28,839.54/x
  3. Step 3: Cross multiply
    47,953.50x = 66,180.75 × 28,839.54
  4. Step 4: Simplify right side
    47,953.50x = 1,908,622,386.86
  5. Step 5: Solve for x
    x = 1,908,622,386.86/47,953.50
  6. Step 6: Final answer
    x = 39,801.52

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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.