Home / 56,433.91-84,576.60-31,485.71

Finding the Fourth Proportional to 56,433.91, 84,576.60 and 31,485.71

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Solution

The fourth proportional to 56,433.91, 84,576.60 and 31,485.71 is: 47,187.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,433.91 : 84,576.60 = 31,485.71 : x
  2. Step 2: Convert to fraction form
    56,433.91/84,576.60 = 31,485.71/x
  3. Step 3: Cross multiply
    56,433.91x = 84,576.60 × 31,485.71
  4. Step 4: Simplify right side
    56,433.91x = 2,662,953,720.07
  5. Step 5: Solve for x
    x = 2,662,953,720.07/56,433.91
  6. Step 6: Final answer
    x = 47,187.12

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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.