Home / 38,066.85-52,535.70-21,075.12

Finding the Fourth Proportional to 38,066.85, 52,535.70 and 21,075.12

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Solution

The fourth proportional to 38,066.85, 52,535.70 and 21,075.12 is: 29,085.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,066.85 : 52,535.70 = 21,075.12 : x
  2. Step 2: Convert to fraction form
    38,066.85/52,535.70 = 21,075.12/x
  3. Step 3: Cross multiply
    38,066.85x = 52,535.70 × 21,075.12
  4. Step 4: Simplify right side
    38,066.85x = 1,107,196,181.78
  5. Step 5: Solve for x
    x = 1,107,196,181.78/38,066.85
  6. Step 6: Final answer
    x = 29,085.57

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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.