Home / 48,000.10-66,261.32-31,012.57

Finding the Fourth Proportional to 48,000.10, 66,261.32 and 31,012.57

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Solution

The fourth proportional to 48,000.10, 66,261.32 and 31,012.57 is: 42,811.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,000.10 : 66,261.32 = 31,012.57 : x
  2. Step 2: Convert to fraction form
    48,000.10/66,261.32 = 31,012.57/x
  3. Step 3: Cross multiply
    48,000.10x = 66,261.32 × 31,012.57
  4. Step 4: Simplify right side
    48,000.10x = 2,054,933,338.42
  5. Step 5: Solve for x
    x = 2,054,933,338.42/48,000.10
  6. Step 6: Final answer
    x = 42,811.03

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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.