Home / 56,340.70-84,522.32-20,802.23

Finding the Fourth Proportional to 56,340.70, 84,522.32 and 20,802.23

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Solution

The fourth proportional to 56,340.70, 84,522.32 and 20,802.23 is: 31,207.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,340.70 : 84,522.32 = 20,802.23 : x
  2. Step 2: Convert to fraction form
    56,340.70/84,522.32 = 20,802.23/x
  3. Step 3: Cross multiply
    56,340.70x = 84,522.32 × 20,802.23
  4. Step 4: Simplify right side
    56,340.70x = 1,758,252,740.77
  5. Step 5: Solve for x
    x = 1,758,252,740.77/56,340.70
  6. Step 6: Final answer
    x = 31,207.51

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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.