Home / 42,015.61-57,901.79-30,058.19

Finding the Fourth Proportional to 42,015.61, 57,901.79 and 30,058.19

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Solution

The fourth proportional to 42,015.61, 57,901.79 and 30,058.19 is: 41,423.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,015.61 : 57,901.79 = 30,058.19 : x
  2. Step 2: Convert to fraction form
    42,015.61/57,901.79 = 30,058.19/x
  3. Step 3: Cross multiply
    42,015.61x = 57,901.79 × 30,058.19
  4. Step 4: Simplify right side
    42,015.61x = 1,740,422,565.36
  5. Step 5: Solve for x
    x = 1,740,422,565.36/42,015.61
  6. Step 6: Final answer
    x = 41,423.24

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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.