Home / 65,529.06-90,417.90-36,845

Finding the Fourth Proportional to 65,529.06, 90,417.90 and 36,845

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Solution

The fourth proportional to 65,529.06, 90,417.90 and 36,845 is: 50,839.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,529.06 : 90,417.90 = 36,845 : x
  2. Step 2: Convert to fraction form
    65,529.06/90,417.90 = 36,845/x
  3. Step 3: Cross multiply
    65,529.06x = 90,417.90 × 36,845
  4. Step 4: Simplify right side
    65,529.06x = 3,331,447,525.50
  5. Step 5: Solve for x
    x = 3,331,447,525.50/65,529.06
  6. Step 6: Final answer
    x = 50,839.24

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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.