Home / 42,125.00-58,149.46-28,709.81

Finding the Fourth Proportional to 42,125.00, 58,149.46 and 28,709.81

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Solution

The fourth proportional to 42,125.00, 58,149.46 and 28,709.81 is: 39,631.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,125.00 : 58,149.46 = 28,709.81 : x
  2. Step 2: Convert to fraction form
    42,125.00/58,149.46 = 28,709.81/x
  3. Step 3: Cross multiply
    42,125.00x = 58,149.46 × 28,709.81
  4. Step 4: Simplify right side
    42,125.00x = 1,669,459,911.40
  5. Step 5: Solve for x
    x = 1,669,459,911.40/42,125.00
  6. Step 6: Final answer
    x = 39,631.10

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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.