Home / 40,260.48-60,390.64-10,681.28

Finding the Fourth Proportional to 40,260.48, 60,390.64 and 10,681.28

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Solution

The fourth proportional to 40,260.48, 60,390.64 and 10,681.28 is: 16,021.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,260.48 : 60,390.64 = 10,681.28 : x
  2. Step 2: Convert to fraction form
    40,260.48/60,390.64 = 10,681.28/x
  3. Step 3: Cross multiply
    40,260.48x = 60,390.64 × 10,681.28
  4. Step 4: Simplify right side
    40,260.48x = 645,049,335.22
  5. Step 5: Solve for x
    x = 645,049,335.22/40,260.48
  6. Step 6: Final answer
    x = 16,021.90

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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.