Home / 36,210,048.98-49,968,347.08-20,530,128.57

Finding the Fourth Proportional to 36,210,048.98, 49,968,347.08 and 20,530,128.57

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Solution

The fourth proportional to 36,210,048.98, 49,968,347.08 and 20,530,128.57 is: 28,330,715.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,210,048.98 : 49,968,347.08 = 20,530,128.57 : x
  2. Step 2: Convert to fraction form
    36,210,048.98/49,968,347.08 = 20,530,128.57/x
  3. Step 3: Cross multiply
    36,210,048.98x = 49,968,347.08 × 20,530,128.57
  4. Step 4: Simplify right side
    36,210,048.98x = 1,025,856,590,107,705
  5. Step 5: Solve for x
    x = 1,025,856,590,107,705/36,210,048.98
  6. Step 6: Final answer
    x = 28,330,715.34

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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.