Home / 67,739.76-93,439.32-40,865.04

Finding the Fourth Proportional to 67,739.76, 93,439.32 and 40,865.04

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Solution

The fourth proportional to 67,739.76, 93,439.32 and 40,865.04 is: 56,368.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,739.76 : 93,439.32 = 40,865.04 : x
  2. Step 2: Convert to fraction form
    67,739.76/93,439.32 = 40,865.04/x
  3. Step 3: Cross multiply
    67,739.76x = 93,439.32 × 40,865.04
  4. Step 4: Simplify right side
    67,739.76x = 3,818,401,549.37
  5. Step 5: Solve for x
    x = 3,818,401,549.37/67,739.76
  6. Step 6: Final answer
    x = 56,368.69

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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.