Home / 40,328.64-60,486.12-10,749.60

Finding the Fourth Proportional to 40,328.64, 60,486.12 and 10,749.60

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Solution

The fourth proportional to 40,328.64, 60,486.12 and 10,749.60 is: 16,122.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,328.64 : 60,486.12 = 10,749.60 : x
  2. Step 2: Convert to fraction form
    40,328.64/60,486.12 = 10,749.60/x
  3. Step 3: Cross multiply
    40,328.64x = 60,486.12 × 10,749.60
  4. Step 4: Simplify right side
    40,328.64x = 650,201,595.55
  5. Step 5: Solve for x
    x = 650,201,595.55/40,328.64
  6. Step 6: Final answer
    x = 16,122.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.