Home / 60,678.18-91,058.26-21,235.64

Finding the Fourth Proportional to 60,678.18, 91,058.26 and 21,235.64

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Solution

The fourth proportional to 60,678.18, 91,058.26 and 21,235.64 is: 31,867.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,678.18 : 91,058.26 = 21,235.64 : x
  2. Step 2: Convert to fraction form
    60,678.18/91,058.26 = 21,235.64/x
  3. Step 3: Cross multiply
    60,678.18x = 91,058.26 × 21,235.64
  4. Step 4: Simplify right side
    60,678.18x = 1,933,680,428.39
  5. Step 5: Solve for x
    x = 1,933,680,428.39/60,678.18
  6. Step 6: Final answer
    x = 31,867.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.