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Finding the Fourth Proportional to 67,398.61, 93,009.44 and 37,184.18

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Solution

The fourth proportional to 67,398.61, 93,009.44 and 37,184.18 is: 51,313.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,398.61 : 93,009.44 = 37,184.18 : x
  2. Step 2: Convert to fraction form
    67,398.61/93,009.44 = 37,184.18/x
  3. Step 3: Cross multiply
    67,398.61x = 93,009.44 × 37,184.18
  4. Step 4: Simplify right side
    67,398.61x = 3,458,479,619.10
  5. Step 5: Solve for x
    x = 3,458,479,619.10/67,398.61
  6. Step 6: Final answer
    x = 51,313.81

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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.