Home / 30,801.84-42,506.85-18,062.57

Finding the Fourth Proportional to 30,801.84, 42,506.85 and 18,062.57

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Solution

The fourth proportional to 30,801.84, 42,506.85 and 18,062.57 is: 24,926.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,801.84 : 42,506.85 = 18,062.57 : x
  2. Step 2: Convert to fraction form
    30,801.84/42,506.85 = 18,062.57/x
  3. Step 3: Cross multiply
    30,801.84x = 42,506.85 × 18,062.57
  4. Step 4: Simplify right side
    30,801.84x = 767,782,957.25
  5. Step 5: Solve for x
    x = 767,782,957.25/30,801.84
  6. Step 6: Final answer
    x = 24,926.53

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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.