Home / 36,047.16-49,746.15-20,942.28

Finding the Fourth Proportional to 36,047.16, 49,746.15 and 20,942.28

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Solution

The fourth proportional to 36,047.16, 49,746.15 and 20,942.28 is: 28,900.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,047.16 : 49,746.15 = 20,942.28 : x
  2. Step 2: Convert to fraction form
    36,047.16/49,746.15 = 20,942.28/x
  3. Step 3: Cross multiply
    36,047.16x = 49,746.15 × 20,942.28
  4. Step 4: Simplify right side
    36,047.16x = 1,041,797,802.22
  5. Step 5: Solve for x
    x = 1,041,797,802.22/36,047.16
  6. Step 6: Final answer
    x = 28,900.97

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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.