Home / 49,881.02-68,829.57-30,509.64

Finding the Fourth Proportional to 49,881.02, 68,829.57 and 30,509.64

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Solution

The fourth proportional to 49,881.02, 68,829.57 and 30,509.64 is: 42,099.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,881.02 : 68,829.57 = 30,509.64 : x
  2. Step 2: Convert to fraction form
    49,881.02/68,829.57 = 30,509.64/x
  3. Step 3: Cross multiply
    49,881.02x = 68,829.57 × 30,509.64
  4. Step 4: Simplify right side
    49,881.02x = 2,099,965,402.05
  5. Step 5: Solve for x
    x = 2,099,965,402.05/49,881.02
  6. Step 6: Final answer
    x = 42,099.49

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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.