Home / 30,558.53-42,170.05-16,946.52

Finding the Fourth Proportional to 30,558.53, 42,170.05 and 16,946.52

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Solution

The fourth proportional to 30,558.53, 42,170.05 and 16,946.52 is: 23,385.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,558.53 : 42,170.05 = 16,946.52 : x
  2. Step 2: Convert to fraction form
    30,558.53/42,170.05 = 16,946.52/x
  3. Step 3: Cross multiply
    30,558.53x = 42,170.05 × 16,946.52
  4. Step 4: Simplify right side
    30,558.53x = 714,635,458.77
  5. Step 5: Solve for x
    x = 714,635,458.77/30,558.53
  6. Step 6: Final answer
    x = 23,385.79

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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.