Home / 30,737.66-42,417.56-17,310.24

Finding the Fourth Proportional to 30,737.66, 42,417.56 and 17,310.24

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Solution

The fourth proportional to 30,737.66, 42,417.56 and 17,310.24 is: 23,887.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,737.66 : 42,417.56 = 17,310.24 : x
  2. Step 2: Convert to fraction form
    30,737.66/42,417.56 = 17,310.24/x
  3. Step 3: Cross multiply
    30,737.66x = 42,417.56 × 17,310.24
  4. Step 4: Simplify right side
    30,737.66x = 734,258,143.81
  5. Step 5: Solve for x
    x = 734,258,143.81/30,737.66
  6. Step 6: Final answer
    x = 23,887.90

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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.