Home / 30,737.48-42,417.32-17,310.06

Finding the Fourth Proportional to 30,737.48, 42,417.32 and 17,310.06

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Solution

The fourth proportional to 30,737.48, 42,417.32 and 17,310.06 is: 23,887.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,737.48 : 42,417.32 = 17,310.06 : x
  2. Step 2: Convert to fraction form
    30,737.48/42,417.32 = 17,310.06/x
  3. Step 3: Cross multiply
    30,737.48x = 42,417.32 × 17,310.06
  4. Step 4: Simplify right side
    30,737.48x = 734,246,267.69
  5. Step 5: Solve for x
    x = 734,246,267.69/30,737.48
  6. Step 6: Final answer
    x = 23,887.66

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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.