Home / 31,492.51-43,459.66-17,345.35

Finding the Fourth Proportional to 31,492.51, 43,459.66 and 17,345.35

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Solution

The fourth proportional to 31,492.51, 43,459.66 and 17,345.35 is: 23,936.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,492.51 : 43,459.66 = 17,345.35 : x
  2. Step 2: Convert to fraction form
    31,492.51/43,459.66 = 17,345.35/x
  3. Step 3: Cross multiply
    31,492.51x = 43,459.66 × 17,345.35
  4. Step 4: Simplify right side
    31,492.51x = 753,823,075.85
  5. Step 5: Solve for x
    x = 753,823,075.85/31,492.51
  6. Step 6: Final answer
    x = 23,936.58

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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.