Home / 30,902.01-42,644.28-17,472.84

Finding the Fourth Proportional to 30,902.01, 42,644.28 and 17,472.84

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Solution

The fourth proportional to 30,902.01, 42,644.28 and 17,472.84 is: 24,112.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,902.01 : 42,644.28 = 17,472.84 : x
  2. Step 2: Convert to fraction form
    30,902.01/42,644.28 = 17,472.84/x
  3. Step 3: Cross multiply
    30,902.01x = 42,644.28 × 17,472.84
  4. Step 4: Simplify right side
    30,902.01x = 745,116,681.36
  5. Step 5: Solve for x
    x = 745,116,681.36/30,902.01
  6. Step 6: Final answer
    x = 24,112.24

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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.