Home / 66,632.22-99,878.67-31,530.06

Finding the Fourth Proportional to 66,632.22, 99,878.67 and 31,530.06

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Solution

The fourth proportional to 66,632.22, 99,878.67 and 31,530.06 is: 47,262.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,632.22 : 99,878.67 = 31,530.06 : x
  2. Step 2: Convert to fraction form
    66,632.22/99,878.67 = 31,530.06/x
  3. Step 3: Cross multiply
    66,632.22x = 99,878.67 × 31,530.06
  4. Step 4: Simplify right side
    66,632.22x = 3,149,180,457.82
  5. Step 5: Solve for x
    x = 3,149,180,457.82/66,632.22
  6. Step 6: Final answer
    x = 47,262.13

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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.