Home / 30,935.04-42,689.92-16,787.52

Finding the Fourth Proportional to 30,935.04, 42,689.92 and 16,787.52

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Solution

The fourth proportional to 30,935.04, 42,689.92 and 16,787.52 is: 23,166.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,935.04 : 42,689.92 = 16,787.52 : x
  2. Step 2: Convert to fraction form
    30,935.04/42,689.92 = 16,787.52/x
  3. Step 3: Cross multiply
    30,935.04x = 42,689.92 × 16,787.52
  4. Step 4: Simplify right side
    30,935.04x = 716,657,885.80
  5. Step 5: Solve for x
    x = 716,657,885.80/30,935.04
  6. Step 6: Final answer
    x = 23,166.54

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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.