Home / 31,493.07-47,239.53-21,602.37

Finding the Fourth Proportional to 31,493.07, 47,239.53 and 21,602.37

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Solution

The fourth proportional to 31,493.07, 47,239.53 and 21,602.37 is: 32,403.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,493.07 : 47,239.53 = 21,602.37 : x
  2. Step 2: Convert to fraction form
    31,493.07/47,239.53 = 21,602.37/x
  3. Step 3: Cross multiply
    31,493.07x = 47,239.53 × 21,602.37
  4. Step 4: Simplify right side
    31,493.07x = 1,020,485,805.69
  5. Step 5: Solve for x
    x = 1,020,485,805.69/31,493.07
  6. Step 6: Final answer
    x = 32,403.50

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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.