Home / 31,492.56-43,457.76-17,345.40

Finding the Fourth Proportional to 31,492.56, 43,457.76 and 17,345.40

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Solution

The fourth proportional to 31,492.56, 43,457.76 and 17,345.40 is: 23,935.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,492.56 : 43,457.76 = 17,345.40 : x
  2. Step 2: Convert to fraction form
    31,492.56/43,457.76 = 17,345.40/x
  3. Step 3: Cross multiply
    31,492.56x = 43,457.76 × 17,345.40
  4. Step 4: Simplify right side
    31,492.56x = 753,792,230.30
  5. Step 5: Solve for x
    x = 753,792,230.30/31,492.56
  6. Step 6: Final answer
    x = 23,935.57

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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.