Home / 53,911.31-74,399.90-30,038.00

Finding the Fourth Proportional to 53,911.31, 74,399.90 and 30,038.00

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Solution

The fourth proportional to 53,911.31, 74,399.90 and 30,038.00 is: 41,453.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,911.31 : 74,399.90 = 30,038.00 : x
  2. Step 2: Convert to fraction form
    53,911.31/74,399.90 = 30,038.00/x
  3. Step 3: Cross multiply
    53,911.31x = 74,399.90 × 30,038.00
  4. Step 4: Simplify right side
    53,911.31x = 2,234,823,674.01
  5. Step 5: Solve for x
    x = 2,234,823,674.01/53,911.31
  6. Step 6: Final answer
    x = 41,453.71

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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.