Home / 60,703.32-90,999.52-21,238.91

Finding the Fourth Proportional to 60,703.32, 90,999.52 and 21,238.91

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Solution

The fourth proportional to 60,703.32, 90,999.52 and 21,238.91 is: 31,838.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,703.32 : 90,999.52 = 21,238.91 : x
  2. Step 2: Convert to fraction form
    60,703.32/90,999.52 = 21,238.91/x
  3. Step 3: Cross multiply
    60,703.32x = 90,999.52 × 21,238.91
  4. Step 4: Simplify right side
    60,703.32x = 1,932,730,448.48
  5. Step 5: Solve for x
    x = 1,932,730,448.48/60,703.32
  6. Step 6: Final answer
    x = 31,838.96

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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.