Home / 67,641.58-93,382.92-40,790.89

Finding the Fourth Proportional to 67,641.58, 93,382.92 and 40,790.89

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Solution

The fourth proportional to 67,641.58, 93,382.92 and 40,790.89 is: 56,314.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,641.58 : 93,382.92 = 40,790.89 : x
  2. Step 2: Convert to fraction form
    67,641.58/93,382.92 = 40,790.89/x
  3. Step 3: Cross multiply
    67,641.58x = 93,382.92 × 40,790.89
  4. Step 4: Simplify right side
    67,641.58x = 3,809,172,417.60
  5. Step 5: Solve for x
    x = 3,809,172,417.60/67,641.58
  6. Step 6: Final answer
    x = 56,314.07

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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.