Home / 30,746.66-42,425.86-17,315.24

Finding the Fourth Proportional to 30,746.66, 42,425.86 and 17,315.24

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Solution

The fourth proportional to 30,746.66, 42,425.86 and 17,315.24 is: 23,892.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,746.66 : 42,425.86 = 17,315.24 : x
  2. Step 2: Convert to fraction form
    30,746.66/42,425.86 = 17,315.24/x
  3. Step 3: Cross multiply
    30,746.66x = 42,425.86 × 17,315.24
  4. Step 4: Simplify right side
    30,746.66x = 734,613,948.11
  5. Step 5: Solve for x
    x = 734,613,948.11/30,746.66
  6. Step 6: Final answer
    x = 23,892.48

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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.