Home / 40,971.06-61,485.75-31,620.42

Finding the Fourth Proportional to 40,971.06, 61,485.75 and 31,620.42

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Solution

The fourth proportional to 40,971.06, 61,485.75 and 31,620.42 is: 47,453.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,971.06 : 61,485.75 = 31,620.42 : x
  2. Step 2: Convert to fraction form
    40,971.06/61,485.75 = 31,620.42/x
  3. Step 3: Cross multiply
    40,971.06x = 61,485.75 × 31,620.42
  4. Step 4: Simplify right side
    40,971.06x = 1,944,205,239.02
  5. Step 5: Solve for x
    x = 1,944,205,239.02/40,971.06
  6. Step 6: Final answer
    x = 47,453.13

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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.