Home / 53,896.76-74,377.70-31,240.20

Finding the Fourth Proportional to 53,896.76, 74,377.70 and 31,240.20

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Solution

The fourth proportional to 53,896.76, 74,377.70 and 31,240.20 is: 43,111.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,896.76 : 74,377.70 = 31,240.20 : x
  2. Step 2: Convert to fraction form
    53,896.76/74,377.70 = 31,240.20/x
  3. Step 3: Cross multiply
    53,896.76x = 74,377.70 × 31,240.20
  4. Step 4: Simplify right side
    53,896.76x = 2,323,574,223.54
  5. Step 5: Solve for x
    x = 2,323,574,223.54/53,896.76
  6. Step 6: Final answer
    x = 43,111.58

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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.