Home / 30,089.12-41,528.04-17,521.28

Finding the Fourth Proportional to 30,089.12, 41,528.04 and 17,521.28

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Solution

The fourth proportional to 30,089.12, 41,528.04 and 17,521.28 is: 24,182.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,089.12 : 41,528.04 = 17,521.28 : x
  2. Step 2: Convert to fraction form
    30,089.12/41,528.04 = 17,521.28/x
  3. Step 3: Cross multiply
    30,089.12x = 41,528.04 × 17,521.28
  4. Step 4: Simplify right side
    30,089.12x = 727,624,416.69
  5. Step 5: Solve for x
    x = 727,624,416.69/30,089.12
  6. Step 6: Final answer
    x = 24,182.31

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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.