Home / 58,487.97-87,712.31-19,035.81

Finding the Fourth Proportional to 58,487.97, 87,712.31 and 19,035.81

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Solution

The fourth proportional to 58,487.97, 87,712.31 and 19,035.81 is: 28,547.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,487.97 : 87,712.31 = 19,035.81 : x
  2. Step 2: Convert to fraction form
    58,487.97/87,712.31 = 19,035.81/x
  3. Step 3: Cross multiply
    58,487.97x = 87,712.31 × 19,035.81
  4. Step 4: Simplify right side
    58,487.97x = 1,669,674,429.26
  5. Step 5: Solve for x
    x = 1,669,674,429.26/58,487.97
  6. Step 6: Final answer
    x = 28,547.31

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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.