Home / 61,870.20-85,381.05-37,996.62

Finding the Fourth Proportional to 61,870.20, 85,381.05 and 37,996.62

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Solution

The fourth proportional to 61,870.20, 85,381.05 and 37,996.62 is: 52,435.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,870.20 : 85,381.05 = 37,996.62 : x
  2. Step 2: Convert to fraction form
    61,870.20/85,381.05 = 37,996.62/x
  3. Step 3: Cross multiply
    61,870.20x = 85,381.05 × 37,996.62
  4. Step 4: Simplify right side
    61,870.20x = 3,244,191,312.05
  5. Step 5: Solve for x
    x = 3,244,191,312.05/61,870.20
  6. Step 6: Final answer
    x = 52,435.44

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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.