Home / 40,508-55,903.20-23,746.40

Finding the Fourth Proportional to 40,508, 55,903.20 and 23,746.40

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Solution

The fourth proportional to 40,508, 55,903.20 and 23,746.40 is: 32,771.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,508 : 55,903.20 = 23,746.40 : x
  2. Step 2: Convert to fraction form
    40,508/55,903.20 = 23,746.40/x
  3. Step 3: Cross multiply
    40,508x = 55,903.20 × 23,746.40
  4. Step 4: Simplify right side
    40,508x = 1,327,499,748.48
  5. Step 5: Solve for x
    x = 1,327,499,748.48/40,508
  6. Step 6: Final answer
    x = 32,771.30

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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.