Home / 30,935.39-42,690.62-16,787.93

Finding the Fourth Proportional to 30,935.39, 42,690.62 and 16,787.93

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Solution

The fourth proportional to 30,935.39, 42,690.62 and 16,787.93 is: 23,167.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,935.39 : 42,690.62 = 16,787.93 : x
  2. Step 2: Convert to fraction form
    30,935.39/42,690.62 = 16,787.93/x
  3. Step 3: Cross multiply
    30,935.39x = 42,690.62 × 16,787.93
  4. Step 4: Simplify right side
    30,935.39x = 716,687,056.28
  5. Step 5: Solve for x
    x = 716,687,056.28/30,935.39
  6. Step 6: Final answer
    x = 23,167.22

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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.