Home / 40,485.64-60,730.29-12,403.65

Finding the Fourth Proportional to 40,485.64, 60,730.29 and 12,403.65

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Solution

The fourth proportional to 40,485.64, 60,730.29 and 12,403.65 is: 18,606.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,485.64 : 60,730.29 = 12,403.65 : x
  2. Step 2: Convert to fraction form
    40,485.64/60,730.29 = 12,403.65/x
  3. Step 3: Cross multiply
    40,485.64x = 60,730.29 × 12,403.65
  4. Step 4: Simplify right side
    40,485.64x = 753,277,261.56
  5. Step 5: Solve for x
    x = 753,277,261.56/40,485.64
  6. Step 6: Final answer
    x = 18,606.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.