Home / 65,447.28-90,316.08-37,152.36

Finding the Fourth Proportional to 65,447.28, 90,316.08 and 37,152.36

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Solution

The fourth proportional to 65,447.28, 90,316.08 and 37,152.36 is: 51,269.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,447.28 : 90,316.08 = 37,152.36 : x
  2. Step 2: Convert to fraction form
    65,447.28/90,316.08 = 37,152.36/x
  3. Step 3: Cross multiply
    65,447.28x = 90,316.08 × 37,152.36
  4. Step 4: Simplify right side
    65,447.28x = 3,355,455,517.95
  5. Step 5: Solve for x
    x = 3,355,455,517.95/65,447.28
  6. Step 6: Final answer
    x = 51,269.59

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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.