Home / 37,307.47-51,482.70-20,311.35

Finding the Fourth Proportional to 37,307.47, 51,482.70 and 20,311.35

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Solution

The fourth proportional to 37,307.47, 51,482.70 and 20,311.35 is: 28,028.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,307.47 : 51,482.70 = 20,311.35 : x
  2. Step 2: Convert to fraction form
    37,307.47/51,482.70 = 20,311.35/x
  3. Step 3: Cross multiply
    37,307.47x = 51,482.70 × 20,311.35
  4. Step 4: Simplify right side
    37,307.47x = 1,045,682,881.23
  5. Step 5: Solve for x
    x = 1,045,682,881.23/37,307.47
  6. Step 6: Final answer
    x = 28,028.78

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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.