Home / 42,065.52-58,127.40-40,015.41

Finding the Fourth Proportional to 42,065.52, 58,127.40 and 40,015.41

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Solution

The fourth proportional to 42,065.52, 58,127.40 and 40,015.41 is: 55,294.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,065.52 : 58,127.40 = 40,015.41 : x
  2. Step 2: Convert to fraction form
    42,065.52/58,127.40 = 40,015.41/x
  3. Step 3: Cross multiply
    42,065.52x = 58,127.40 × 40,015.41
  4. Step 4: Simplify right side
    42,065.52x = 2,325,991,743.23
  5. Step 5: Solve for x
    x = 2,325,991,743.23/42,065.52
  6. Step 6: Final answer
    x = 55,294.50

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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.