Home / 30,658.94-42,311.28-17,048.51

Finding the Fourth Proportional to 30,658.94, 42,311.28 and 17,048.51

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Solution

The fourth proportional to 30,658.94, 42,311.28 and 17,048.51 is: 23,528.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,658.94 : 42,311.28 = 17,048.51 : x
  2. Step 2: Convert to fraction form
    30,658.94/42,311.28 = 17,048.51/x
  3. Step 3: Cross multiply
    30,658.94x = 42,311.28 × 17,048.51
  4. Step 4: Simplify right side
    30,658.94x = 721,344,280.19
  5. Step 5: Solve for x
    x = 721,344,280.19/30,658.94
  6. Step 6: Final answer
    x = 23,528.02

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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.