Home / 42,571.74-58,717.80-28,205.58

Finding the Fourth Proportional to 42,571.74, 58,717.80 and 28,205.58

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Solution

The fourth proportional to 42,571.74, 58,717.80 and 28,205.58 is: 38,903.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,571.74 : 58,717.80 = 28,205.58 : x
  2. Step 2: Convert to fraction form
    42,571.74/58,717.80 = 28,205.58/x
  3. Step 3: Cross multiply
    42,571.74x = 58,717.80 × 28,205.58
  4. Step 4: Simplify right side
    42,571.74x = 1,656,169,605.32
  5. Step 5: Solve for x
    x = 1,656,169,605.32/42,571.74
  6. Step 6: Final answer
    x = 38,903.03

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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.