Home / 66,741.50-92,136.59-38,441.72

Finding the Fourth Proportional to 66,741.50, 92,136.59 and 38,441.72

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Solution

The fourth proportional to 66,741.50, 92,136.59 and 38,441.72 is: 53,068.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,741.50 : 92,136.59 = 38,441.72 : x
  2. Step 2: Convert to fraction form
    66,741.50/92,136.59 = 38,441.72/x
  3. Step 3: Cross multiply
    66,741.50x = 92,136.59 × 38,441.72
  4. Step 4: Simplify right side
    66,741.50x = 3,541,889,176.82
  5. Step 5: Solve for x
    x = 3,541,889,176.82/66,741.50
  6. Step 6: Final answer
    x = 53,068.77

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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.