Home / 42,039.99-58,015.59-23,177.79

Finding the Fourth Proportional to 42,039.99, 58,015.59 and 23,177.79

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Solution

The fourth proportional to 42,039.99, 58,015.59 and 23,177.79 is: 31,985.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,039.99 : 58,015.59 = 23,177.79 : x
  2. Step 2: Convert to fraction form
    42,039.99/58,015.59 = 23,177.79/x
  3. Step 3: Cross multiply
    42,039.99x = 58,015.59 × 23,177.79
  4. Step 4: Simplify right side
    42,039.99x = 1,344,673,161.75
  5. Step 5: Solve for x
    x = 1,344,673,161.75/42,039.99
  6. Step 6: Final answer
    x = 31,985.57

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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.