Home / 60,823.63-91,237.97-20,870.08

Finding the Fourth Proportional to 60,823.63, 91,237.97 and 20,870.08

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Solution

The fourth proportional to 60,823.63, 91,237.97 and 20,870.08 is: 31,305.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,823.63 : 91,237.97 = 20,870.08 : x
  2. Step 2: Convert to fraction form
    60,823.63/91,237.97 = 20,870.08/x
  3. Step 3: Cross multiply
    60,823.63x = 91,237.97 × 20,870.08
  4. Step 4: Simplify right side
    60,823.63x = 1,904,143,400.49
  5. Step 5: Solve for x
    x = 1,904,143,400.49/60,823.63
  6. Step 6: Final answer
    x = 31,305.98

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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.