Home / 31,219.42-43,070.76-19,262.02

Finding the Fourth Proportional to 31,219.42, 43,070.76 and 19,262.02

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Solution

The fourth proportional to 31,219.42, 43,070.76 and 19,262.02 is: 26,574.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,219.42 : 43,070.76 = 19,262.02 : x
  2. Step 2: Convert to fraction form
    31,219.42/43,070.76 = 19,262.02/x
  3. Step 3: Cross multiply
    31,219.42x = 43,070.76 × 19,262.02
  4. Step 4: Simplify right side
    31,219.42x = 829,629,840.54
  5. Step 5: Solve for x
    x = 829,629,840.54/31,219.42
  6. Step 6: Final answer
    x = 26,574.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.