Home / 36,988.29-51,038.64-21,069.36

Finding the Fourth Proportional to 36,988.29, 51,038.64 and 21,069.36

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Solution

The fourth proportional to 36,988.29, 51,038.64 and 21,069.36 is: 29,072.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,988.29 : 51,038.64 = 21,069.36 : x
  2. Step 2: Convert to fraction form
    36,988.29/51,038.64 = 21,069.36/x
  3. Step 3: Cross multiply
    36,988.29x = 51,038.64 × 21,069.36
  4. Step 4: Simplify right side
    36,988.29x = 1,075,351,480.07
  5. Step 5: Solve for x
    x = 1,075,351,480.07/36,988.29
  6. Step 6: Final answer
    x = 29,072.75

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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.