Home / 38,612.47-53,386.87-33,818.66

Finding the Fourth Proportional to 38,612.47, 53,386.87 and 33,818.66

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Solution

The fourth proportional to 38,612.47, 53,386.87 and 33,818.66 is: 46,758.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,612.47 : 53,386.87 = 33,818.66 : x
  2. Step 2: Convert to fraction form
    38,612.47/53,386.87 = 33,818.66/x
  3. Step 3: Cross multiply
    38,612.47x = 53,386.87 × 33,818.66
  4. Step 4: Simplify right side
    38,612.47x = 1,805,472,404.99
  5. Step 5: Solve for x
    x = 1,805,472,404.99/38,612.47
  6. Step 6: Final answer
    x = 46,758.79

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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.