Home / 31,492.35-43,457.48-17,345.20

Finding the Fourth Proportional to 31,492.35, 43,457.48 and 17,345.20

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Solution

The fourth proportional to 31,492.35, 43,457.48 and 17,345.20 is: 23,935.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,492.35 : 43,457.48 = 17,345.20 : x
  2. Step 2: Convert to fraction form
    31,492.35/43,457.48 = 17,345.20/x
  3. Step 3: Cross multiply
    31,492.35x = 43,457.48 × 17,345.20
  4. Step 4: Simplify right side
    31,492.35x = 753,778,682.10
  5. Step 5: Solve for x
    x = 753,778,682.10/31,492.35
  6. Step 6: Final answer
    x = 23,935.29

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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.