Home / 66,853.08-92,253.64-36,638.46

Finding the Fourth Proportional to 66,853.08, 92,253.64 and 36,638.46

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Solution

The fourth proportional to 66,853.08, 92,253.64 and 36,638.46 is: 50,559.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,853.08 : 92,253.64 = 36,638.46 : x
  2. Step 2: Convert to fraction form
    66,853.08/92,253.64 = 36,638.46/x
  3. Step 3: Cross multiply
    66,853.08x = 92,253.64 × 36,638.46
  4. Step 4: Simplify right side
    66,853.08x = 3,380,031,298.99
  5. Step 5: Solve for x
    x = 3,380,031,298.99/66,853.08
  6. Step 6: Final answer
    x = 50,559.10

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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.