Home / 36,981.52-51,033.51-21,071.09

Finding the Fourth Proportional to 36,981.52, 51,033.51 and 21,071.09

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Solution

The fourth proportional to 36,981.52, 51,033.51 and 21,071.09 is: 29,077.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,981.52 : 51,033.51 = 21,071.09 : x
  2. Step 2: Convert to fraction form
    36,981.52/51,033.51 = 21,071.09/x
  3. Step 3: Cross multiply
    36,981.52x = 51,033.51 × 21,071.09
  4. Step 4: Simplify right side
    36,981.52x = 1,075,331,809.81
  5. Step 5: Solve for x
    x = 1,075,331,809.81/36,981.52
  6. Step 6: Final answer
    x = 29,077.55

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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.