Home / 30,594.18-42,218.10-17,162.94

Finding the Fourth Proportional to 30,594.18, 42,218.10 and 17,162.94

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Solution

The fourth proportional to 30,594.18, 42,218.10 and 17,162.94 is: 23,683.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,594.18 : 42,218.10 = 17,162.94 : x
  2. Step 2: Convert to fraction form
    30,594.18/42,218.10 = 17,162.94/x
  3. Step 3: Cross multiply
    30,594.18x = 42,218.10 × 17,162.94
  4. Step 4: Simplify right side
    30,594.18x = 724,586,717.21
  5. Step 5: Solve for x
    x = 724,586,717.21/30,594.18
  6. Step 6: Final answer
    x = 23,683.81

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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.