Home / 37,126.09-51,236.72-21,210.19

Finding the Fourth Proportional to 37,126.09, 51,236.72 and 21,210.19

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Solution

The fourth proportional to 37,126.09, 51,236.72 and 21,210.19 is: 29,271.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,126.09 : 51,236.72 = 21,210.19 : x
  2. Step 2: Convert to fraction form
    37,126.09/51,236.72 = 21,210.19/x
  3. Step 3: Cross multiply
    37,126.09x = 51,236.72 × 21,210.19
  4. Step 4: Simplify right side
    37,126.09x = 1,086,740,566.18
  5. Step 5: Solve for x
    x = 1,086,740,566.18/37,126.09
  6. Step 6: Final answer
    x = 29,271.61

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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.