Home / 38,061.36-57,126.69-20,307.09

Finding the Fourth Proportional to 38,061.36, 57,126.69 and 20,307.09

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Solution

The fourth proportional to 38,061.36, 57,126.69 and 20,307.09 is: 30,479.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,061.36 : 57,126.69 = 20,307.09 : x
  2. Step 2: Convert to fraction form
    38,061.36/57,126.69 = 20,307.09/x
  3. Step 3: Cross multiply
    38,061.36x = 57,126.69 × 20,307.09
  4. Step 4: Simplify right side
    38,061.36x = 1,160,076,835.23
  5. Step 5: Solve for x
    x = 1,160,076,835.23/38,061.36
  6. Step 6: Final answer
    x = 30,479.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.