Home / 42,039.09-57,981.14-26,933.16

Finding the Fourth Proportional to 42,039.09, 57,981.14 and 26,933.16

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Solution

The fourth proportional to 42,039.09, 57,981.14 and 26,933.16 is: 37,146.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,039.09 : 57,981.14 = 26,933.16 : x
  2. Step 2: Convert to fraction form
    42,039.09/57,981.14 = 26,933.16/x
  3. Step 3: Cross multiply
    42,039.09x = 57,981.14 × 26,933.16
  4. Step 4: Simplify right side
    42,039.09x = 1,561,615,030.70
  5. Step 5: Solve for x
    x = 1,561,615,030.70/42,039.09
  6. Step 6: Final answer
    x = 37,146.74

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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.