Home / 53,846.10-74,306.97-31,490.10

Finding the Fourth Proportional to 53,846.10, 74,306.97 and 31,490.10

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Solution

The fourth proportional to 53,846.10, 74,306.97 and 31,490.10 is: 43,455.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,846.10 : 74,306.97 = 31,490.10 : x
  2. Step 2: Convert to fraction form
    53,846.10/74,306.97 = 31,490.10/x
  3. Step 3: Cross multiply
    53,846.10x = 74,306.97 × 31,490.10
  4. Step 4: Simplify right side
    53,846.10x = 2,339,933,916.00
  5. Step 5: Solve for x
    x = 2,339,933,916.00/53,846.10
  6. Step 6: Final answer
    x = 43,455.96

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1.5x scale

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.