Home / 40,385.64-60,588.04-12,683.64

Finding the Fourth Proportional to 40,385.64, 60,588.04 and 12,683.64

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Solution

The fourth proportional to 40,385.64, 60,588.04 and 12,683.64 is: 19,028.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,385.64 : 60,588.04 = 12,683.64 : x
  2. Step 2: Convert to fraction form
    40,385.64/60,588.04 = 12,683.64/x
  3. Step 3: Cross multiply
    40,385.64x = 60,588.04 × 12,683.64
  4. Step 4: Simplify right side
    40,385.64x = 768,476,887.67
  5. Step 5: Solve for x
    x = 768,476,887.67/40,385.64
  6. Step 6: Final answer
    x = 19,028.47

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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.