Home / 39,018.96-58,535.70-12,731.16

Finding the Fourth Proportional to 39,018.96, 58,535.70 and 12,731.16

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Solution

The fourth proportional to 39,018.96, 58,535.70 and 12,731.16 is: 19,099.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,018.96 : 58,535.70 = 12,731.16 : x
  2. Step 2: Convert to fraction form
    39,018.96/58,535.70 = 12,731.16/x
  3. Step 3: Cross multiply
    39,018.96x = 58,535.70 × 12,731.16
  4. Step 4: Simplify right side
    39,018.96x = 745,227,362.41
  5. Step 5: Solve for x
    x = 745,227,362.41/39,018.96
  6. Step 6: Final answer
    x = 19,099.11

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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.