Home / 31,492.32-43,459.62-17,345.66

Finding the Fourth Proportional to 31,492.32, 43,459.62 and 17,345.66

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Solution

The fourth proportional to 31,492.32, 43,459.62 and 17,345.66 is: 23,937.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,492.32 : 43,459.62 = 17,345.66 : x
  2. Step 2: Convert to fraction form
    31,492.32/43,459.62 = 17,345.66/x
  3. Step 3: Cross multiply
    31,492.32x = 43,459.62 × 17,345.66
  4. Step 4: Simplify right side
    31,492.32x = 753,835,792.25
  5. Step 5: Solve for x
    x = 753,835,792.25/31,492.32
  6. Step 6: Final answer
    x = 23,937.13

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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.