Home / 30,884.79-42,621.01-16,737.64

Finding the Fourth Proportional to 30,884.79, 42,621.01 and 16,737.64

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Solution

The fourth proportional to 30,884.79, 42,621.01 and 16,737.64 is: 23,097.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,884.79 : 42,621.01 = 16,737.64 : x
  2. Step 2: Convert to fraction form
    30,884.79/42,621.01 = 16,737.64/x
  3. Step 3: Cross multiply
    30,884.79x = 42,621.01 × 16,737.64
  4. Step 4: Simplify right side
    30,884.79x = 713,374,825.02
  5. Step 5: Solve for x
    x = 713,374,825.02/30,884.79
  6. Step 6: Final answer
    x = 23,097.93

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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.