Home / 65,269.19-90,069.77-36,974.88

Finding the Fourth Proportional to 65,269.19, 90,069.77 and 36,974.88

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Solution

The fourth proportional to 65,269.19, 90,069.77 and 36,974.88 is: 51,024.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,269.19 : 90,069.77 = 36,974.88 : x
  2. Step 2: Convert to fraction form
    65,269.19/90,069.77 = 36,974.88/x
  3. Step 3: Cross multiply
    65,269.19x = 90,069.77 × 36,974.88
  4. Step 4: Simplify right side
    65,269.19x = 3,330,319,029.81
  5. Step 5: Solve for x
    x = 3,330,319,029.81/65,269.19
  6. Step 6: Final answer
    x = 51,024.36

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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.