Home / 31,779.81-47,670.05-9,593.37

Finding the Fourth Proportional to 31,779.81, 47,670.05 and 9,593.37

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Solution

The fourth proportional to 31,779.81, 47,670.05 and 9,593.37 is: 14,390.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,779.81 : 47,670.05 = 9,593.37 : x
  2. Step 2: Convert to fraction form
    31,779.81/47,670.05 = 9,593.37/x
  3. Step 3: Cross multiply
    31,779.81x = 47,670.05 × 9,593.37
  4. Step 4: Simplify right side
    31,779.81x = 457,316,379.60
  5. Step 5: Solve for x
    x = 457,316,379.60/31,779.81
  6. Step 6: Final answer
    x = 14,390.15

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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.