Home / 67,142.08-92,658.40-36,928.64

Finding the Fourth Proportional to 67,142.08, 92,658.40 and 36,928.64

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Solution

The fourth proportional to 67,142.08, 92,658.40 and 36,928.64 is: 50,962.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,142.08 : 92,658.40 = 36,928.64 : x
  2. Step 2: Convert to fraction form
    67,142.08/92,658.40 = 36,928.64/x
  3. Step 3: Cross multiply
    67,142.08x = 92,658.40 × 36,928.64
  4. Step 4: Simplify right side
    67,142.08x = 3,421,748,696.58
  5. Step 5: Solve for x
    x = 3,421,748,696.58/67,142.08
  6. Step 6: Final answer
    x = 50,962.80

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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.