Home / 40,530.07-60,803.25-14,231.35

Finding the Fourth Proportional to 40,530.07, 60,803.25 and 14,231.35

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Solution

The fourth proportional to 40,530.07, 60,803.25 and 14,231.35 is: 21,349.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,530.07 : 60,803.25 = 14,231.35 : x
  2. Step 2: Convert to fraction form
    40,530.07/60,803.25 = 14,231.35/x
  3. Step 3: Cross multiply
    40,530.07x = 60,803.25 × 14,231.35
  4. Step 4: Simplify right side
    40,530.07x = 865,312,331.89
  5. Step 5: Solve for x
    x = 865,312,331.89/40,530.07
  6. Step 6: Final answer
    x = 21,349.88

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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.