Home / 58,629.81-87,955.53-19,189.11

Finding the Fourth Proportional to 58,629.81, 87,955.53 and 19,189.11

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Solution

The fourth proportional to 58,629.81, 87,955.53 and 19,189.11 is: 28,787.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,629.81 : 87,955.53 = 19,189.11 : x
  2. Step 2: Convert to fraction form
    58,629.81/87,955.53 = 19,189.11/x
  3. Step 3: Cross multiply
    58,629.81x = 87,955.53 × 19,189.11
  4. Step 4: Simplify right side
    58,629.81x = 1,687,788,340.28
  5. Step 5: Solve for x
    x = 1,687,788,340.28/58,629.81
  6. Step 6: Final answer
    x = 28,787.20

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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.