Home / 65,494.09-90,384.02-36,818.74

Finding the Fourth Proportional to 65,494.09, 90,384.02 and 36,818.74

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Solution

The fourth proportional to 65,494.09, 90,384.02 and 36,818.74 is: 50,811.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,494.09 : 90,384.02 = 36,818.74 : x
  2. Step 2: Convert to fraction form
    65,494.09/90,384.02 = 36,818.74/x
  3. Step 3: Cross multiply
    65,494.09x = 90,384.02 × 36,818.74
  4. Step 4: Simplify right side
    65,494.09x = 3,327,825,732.53
  5. Step 5: Solve for x
    x = 3,327,825,732.53/65,494.09
  6. Step 6: Final answer
    x = 50,811.08

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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.