Home / 66,964.61-92,412.86-37,890.62

Finding the Fourth Proportional to 66,964.61, 92,412.86 and 37,890.62

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Solution

The fourth proportional to 66,964.61, 92,412.86 and 37,890.62 is: 52,290.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,964.61 : 92,412.86 = 37,890.62 : x
  2. Step 2: Convert to fraction form
    66,964.61/92,412.86 = 37,890.62/x
  3. Step 3: Cross multiply
    66,964.61x = 92,412.86 × 37,890.62
  4. Step 4: Simplify right side
    66,964.61x = 3,501,580,561.37
  5. Step 5: Solve for x
    x = 3,501,580,561.37/66,964.61
  6. Step 6: Final answer
    x = 52,290.02

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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.