Home / 35,649.60-49,208.76-20,548.28

Finding the Fourth Proportional to 35,649.60, 49,208.76 and 20,548.28

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Solution

The fourth proportional to 35,649.60, 49,208.76 and 20,548.28 is: 28,363.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,649.60 : 49,208.76 = 20,548.28 : x
  2. Step 2: Convert to fraction form
    35,649.60/49,208.76 = 20,548.28/x
  3. Step 3: Cross multiply
    35,649.60x = 49,208.76 × 20,548.28
  4. Step 4: Simplify right side
    35,649.60x = 1,011,155,378.93
  5. Step 5: Solve for x
    x = 1,011,155,378.93/35,649.60
  6. Step 6: Final answer
    x = 28,363.72

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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.