Home / 31,515.75-43,492.64-17,369.51

Finding the Fourth Proportional to 31,515.75, 43,492.64 and 17,369.51

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Solution

The fourth proportional to 31,515.75, 43,492.64 and 17,369.51 is: 23,970.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,515.75 : 43,492.64 = 17,369.51 : x
  2. Step 2: Convert to fraction form
    31,515.75/43,492.64 = 17,369.51/x
  3. Step 3: Cross multiply
    31,515.75x = 43,492.64 × 17,369.51
  4. Step 4: Simplify right side
    31,515.75x = 755,445,541.10
  5. Step 5: Solve for x
    x = 755,445,541.10/31,515.75
  6. Step 6: Final answer
    x = 23,970.41

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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.