Home / 40,960.08-56,532.13-39,090.20

Finding the Fourth Proportional to 40,960.08, 56,532.13 and 39,090.20

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Solution

The fourth proportional to 40,960.08, 56,532.13 and 39,090.20 is: 53,951.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,960.08 : 56,532.13 = 39,090.20 : x
  2. Step 2: Convert to fraction form
    40,960.08/56,532.13 = 39,090.20/x
  3. Step 3: Cross multiply
    40,960.08x = 56,532.13 × 39,090.20
  4. Step 4: Simplify right side
    40,960.08x = 2,209,851,887.74
  5. Step 5: Solve for x
    x = 2,209,851,887.74/40,960.08
  6. Step 6: Final answer
    x = 53,951.36

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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.