Home / 30,709.37-45,990.23-17,521.76

Finding the Fourth Proportional to 30,709.37, 45,990.23 and 17,521.76

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Solution

The fourth proportional to 30,709.37, 45,990.23 and 17,521.76 is: 26,240.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,709.37 : 45,990.23 = 17,521.76 : x
  2. Step 2: Convert to fraction form
    30,709.37/45,990.23 = 17,521.76/x
  3. Step 3: Cross multiply
    30,709.37x = 45,990.23 × 17,521.76
  4. Step 4: Simplify right side
    30,709.37x = 805,829,772.40
  5. Step 5: Solve for x
    x = 805,829,772.40/30,709.37
  6. Step 6: Final answer
    x = 26,240.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.