Home / 55,457.72-76,442.00-43,337.14

Finding the Fourth Proportional to 55,457.72, 76,442.00 and 43,337.14

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Solution

The fourth proportional to 55,457.72, 76,442.00 and 43,337.14 is: 59,735.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,457.72 : 76,442.00 = 43,337.14 : x
  2. Step 2: Convert to fraction form
    55,457.72/76,442.00 = 43,337.14/x
  3. Step 3: Cross multiply
    55,457.72x = 76,442.00 × 43,337.14
  4. Step 4: Simplify right side
    55,457.72x = 3,312,777,592.16
  5. Step 5: Solve for x
    x = 3,312,777,592.16/55,457.72
  6. Step 6: Final answer
    x = 59,735.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.