Home / 30,529.04-42,127.12-17,099.24

Finding the Fourth Proportional to 30,529.04, 42,127.12 and 17,099.24

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Solution

The fourth proportional to 30,529.04, 42,127.12 and 17,099.24 is: 23,595.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,529.04 : 42,127.12 = 17,099.24 : x
  2. Step 2: Convert to fraction form
    30,529.04/42,127.12 = 17,099.24/x
  3. Step 3: Cross multiply
    30,529.04x = 42,127.12 × 17,099.24
  4. Step 4: Simplify right side
    30,529.04x = 720,341,735.39
  5. Step 5: Solve for x
    x = 720,341,735.39/30,529.04
  6. Step 6: Final answer
    x = 23,595.30

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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.