Home / 65,059.12-89,772.09-38,210.28

Finding the Fourth Proportional to 65,059.12, 89,772.09 and 38,210.28

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Solution

The fourth proportional to 65,059.12, 89,772.09 and 38,210.28 is: 52,724.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,059.12 : 89,772.09 = 38,210.28 : x
  2. Step 2: Convert to fraction form
    65,059.12/89,772.09 = 38,210.28/x
  3. Step 3: Cross multiply
    65,059.12x = 89,772.09 × 38,210.28
  4. Step 4: Simplify right side
    65,059.12x = 3,430,216,695.09
  5. Step 5: Solve for x
    x = 3,430,216,695.09/65,059.12
  6. Step 6: Final answer
    x = 52,724.61

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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.