Home / 31,747.77-47,643.53-14,237.19

Finding the Fourth Proportional to 31,747.77, 47,643.53 and 14,237.19

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Solution

The fourth proportional to 31,747.77, 47,643.53 and 14,237.19 is: 21,365.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,747.77 : 47,643.53 = 14,237.19 : x
  2. Step 2: Convert to fraction form
    31,747.77/47,643.53 = 14,237.19/x
  3. Step 3: Cross multiply
    31,747.77x = 47,643.53 × 14,237.19
  4. Step 4: Simplify right side
    31,747.77x = 678,309,917.69
  5. Step 5: Solve for x
    x = 678,309,917.69/31,747.77
  6. Step 6: Final answer
    x = 21,365.59

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1.5x scale

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.