Home / 30,935.09-42,690.44-16,787.93

Finding the Fourth Proportional to 30,935.09, 42,690.44 and 16,787.93

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Solution

The fourth proportional to 30,935.09, 42,690.44 and 16,787.93 is: 23,167.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,935.09 : 42,690.44 = 16,787.93 : x
  2. Step 2: Convert to fraction form
    30,935.09/42,690.44 = 16,787.93/x
  3. Step 3: Cross multiply
    30,935.09x = 42,690.44 × 16,787.93
  4. Step 4: Simplify right side
    30,935.09x = 716,683,821.00
  5. Step 5: Solve for x
    x = 716,683,821.00/30,935.09
  6. Step 6: Final answer
    x = 23,167.35

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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.