Home / 30,598.52-42,230.34-16,989.69

Finding the Fourth Proportional to 30,598.52, 42,230.34 and 16,989.69

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Solution

The fourth proportional to 30,598.52, 42,230.34 and 16,989.69 is: 23,448.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,598.52 : 42,230.34 = 16,989.69 : x
  2. Step 2: Convert to fraction form
    30,598.52/42,230.34 = 16,989.69/x
  3. Step 3: Cross multiply
    30,598.52x = 42,230.34 × 16,989.69
  4. Step 4: Simplify right side
    30,598.52x = 717,480,385.19
  5. Step 5: Solve for x
    x = 717,480,385.19/30,598.52
  6. Step 6: Final answer
    x = 23,448.21

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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.