Home / 65,237.28-90,025.04-35,428.64

Finding the Fourth Proportional to 65,237.28, 90,025.04 and 35,428.64

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Solution

The fourth proportional to 65,237.28, 90,025.04 and 35,428.64 is: 48,890.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,237.28 : 90,025.04 = 35,428.64 : x
  2. Step 2: Convert to fraction form
    65,237.28/90,025.04 = 35,428.64/x
  3. Step 3: Cross multiply
    65,237.28x = 90,025.04 × 35,428.64
  4. Step 4: Simplify right side
    65,237.28x = 3,189,464,733.15
  5. Step 5: Solve for x
    x = 3,189,464,733.15/65,237.28
  6. Step 6: Final answer
    x = 48,890.22

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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.