Home / 57,510.56-86,212.70-30,875.29

Finding the Fourth Proportional to 57,510.56, 86,212.70 and 30,875.29

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Solution

The fourth proportional to 57,510.56, 86,212.70 and 30,875.29 is: 46,284.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,510.56 : 86,212.70 = 30,875.29 : x
  2. Step 2: Convert to fraction form
    57,510.56/86,212.70 = 30,875.29/x
  3. Step 3: Cross multiply
    57,510.56x = 86,212.70 × 30,875.29
  4. Step 4: Simplify right side
    57,510.56x = 2,661,842,114.18
  5. Step 5: Solve for x
    x = 2,661,842,114.18/57,510.56
  6. Step 6: Final answer
    x = 46,284.41

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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.