Home / 35,688.76-49,257.36-20,591.17

Finding the Fourth Proportional to 35,688.76, 49,257.36 and 20,591.17

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Solution

The fourth proportional to 35,688.76, 49,257.36 and 20,591.17 is: 28,419.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,688.76 : 49,257.36 = 20,591.17 : x
  2. Step 2: Convert to fraction form
    35,688.76/49,257.36 = 20,591.17/x
  3. Step 3: Cross multiply
    35,688.76x = 49,257.36 × 20,591.17
  4. Step 4: Simplify right side
    35,688.76x = 1,014,266,673.51
  5. Step 5: Solve for x
    x = 1,014,266,673.51/35,688.76
  6. Step 6: Final answer
    x = 28,419.78

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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.