Home / 51,705.64-71,344.74-29,345.32

Finding the Fourth Proportional to 51,705.64, 71,344.74 and 29,345.32

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Solution

The fourth proportional to 51,705.64, 71,344.74 and 29,345.32 is: 40,491.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,705.64 : 71,344.74 = 29,345.32 : x
  2. Step 2: Convert to fraction form
    51,705.64/71,344.74 = 29,345.32/x
  3. Step 3: Cross multiply
    51,705.64x = 71,344.74 × 29,345.32
  4. Step 4: Simplify right side
    51,705.64x = 2,093,634,225.62
  5. Step 5: Solve for x
    x = 2,093,634,225.62/51,705.64
  6. Step 6: Final answer
    x = 40,491.41

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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.