Home / 30,737.46-42,417.23-17,308.68

Finding the Fourth Proportional to 30,737.46, 42,417.23 and 17,308.68

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Solution

The fourth proportional to 30,737.46, 42,417.23 and 17,308.68 is: 23,885.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,737.46 : 42,417.23 = 17,308.68 : x
  2. Step 2: Convert to fraction form
    30,737.46/42,417.23 = 17,308.68/x
  3. Step 3: Cross multiply
    30,737.46x = 42,417.23 × 17,308.68
  4. Step 4: Simplify right side
    30,737.46x = 734,186,174.01
  5. Step 5: Solve for x
    x = 734,186,174.01/30,737.46
  6. Step 6: Final answer
    x = 23,885.71

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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.