Home / 31,363.21-43,281.55-17,023.16

Finding the Fourth Proportional to 31,363.21, 43,281.55 and 17,023.16

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Solution

The fourth proportional to 31,363.21, 43,281.55 and 17,023.16 is: 23,492.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,363.21 : 43,281.55 = 17,023.16 : x
  2. Step 2: Convert to fraction form
    31,363.21/43,281.55 = 17,023.16/x
  3. Step 3: Cross multiply
    31,363.21x = 43,281.55 × 17,023.16
  4. Step 4: Simplify right side
    31,363.21x = 736,788,750.70
  5. Step 5: Solve for x
    x = 736,788,750.70/31,363.21
  6. Step 6: Final answer
    x = 23,492.13

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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.