Home / 51,737.32-77,623.26-20,564.20

Finding the Fourth Proportional to 51,737.32, 77,623.26 and 20,564.20

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Solution

The fourth proportional to 51,737.32, 77,623.26 and 20,564.20 is: 30,853.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,737.32 : 77,623.26 = 20,564.20 : x
  2. Step 2: Convert to fraction form
    51,737.32/77,623.26 = 20,564.20/x
  3. Step 3: Cross multiply
    51,737.32x = 77,623.26 × 20,564.20
  4. Step 4: Simplify right side
    51,737.32x = 1,596,260,243.29
  5. Step 5: Solve for x
    x = 1,596,260,243.29/51,737.32
  6. Step 6: Final answer
    x = 30,853.17

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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.