Home / 51,457.90-77,186.76-26,505.08

Finding the Fourth Proportional to 51,457.90, 77,186.76 and 26,505.08

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Solution

The fourth proportional to 51,457.90, 77,186.76 and 26,505.08 is: 39,757.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,457.90 : 77,186.76 = 26,505.08 : x
  2. Step 2: Convert to fraction form
    51,457.90/77,186.76 = 26,505.08/x
  3. Step 3: Cross multiply
    51,457.90x = 77,186.76 × 26,505.08
  4. Step 4: Simplify right side
    51,457.90x = 2,045,841,345.22
  5. Step 5: Solve for x
    x = 2,045,841,345.22/51,457.90
  6. Step 6: Final answer
    x = 39,757.58

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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.