Home / 31,025.93-42,830.66-19,099.49

Finding the Fourth Proportional to 31,025.93, 42,830.66 and 19,099.49

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Solution

The fourth proportional to 31,025.93, 42,830.66 and 19,099.49 is: 26,366.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,025.93 : 42,830.66 = 19,099.49 : x
  2. Step 2: Convert to fraction form
    31,025.93/42,830.66 = 19,099.49/x
  3. Step 3: Cross multiply
    31,025.93x = 42,830.66 × 19,099.49
  4. Step 4: Simplify right side
    31,025.93x = 818,043,666.87
  5. Step 5: Solve for x
    x = 818,043,666.87/31,025.93
  6. Step 6: Final answer
    x = 26,366.45

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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.