Home / 66,579.53-99,869.29-16,659.63

Finding the Fourth Proportional to 66,579.53, 99,869.29 and 16,659.63

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Solution

The fourth proportional to 66,579.53, 99,869.29 and 16,659.63 is: 24,989.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,579.53 : 99,869.29 = 16,659.63 : x
  2. Step 2: Convert to fraction form
    66,579.53/99,869.29 = 16,659.63/x
  3. Step 3: Cross multiply
    66,579.53x = 99,869.29 × 16,659.63
  4. Step 4: Simplify right side
    66,579.53x = 1,663,785,378.11
  5. Step 5: Solve for x
    x = 1,663,785,378.11/66,579.53
  6. Step 6: Final answer
    x = 24,989.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.