Home / 36,971.85-51,030.22-21,065.68

Finding the Fourth Proportional to 36,971.85, 51,030.22 and 21,065.68

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Solution

The fourth proportional to 36,971.85, 51,030.22 and 21,065.68 is: 29,075.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,971.85 : 51,030.22 = 21,065.68 : x
  2. Step 2: Convert to fraction form
    36,971.85/51,030.22 = 21,065.68/x
  3. Step 3: Cross multiply
    36,971.85x = 51,030.22 × 21,065.68
  4. Step 4: Simplify right side
    36,971.85x = 1,074,986,029.70
  5. Step 5: Solve for x
    x = 1,074,986,029.70/36,971.85
  6. Step 6: Final answer
    x = 29,075.80

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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.