Home / 48,312.64-66,709.28-31,324.96

Finding the Fourth Proportional to 48,312.64, 66,709.28 and 31,324.96

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Solution

The fourth proportional to 48,312.64, 66,709.28 and 31,324.96 is: 43,252.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,312.64 : 66,709.28 = 31,324.96 : x
  2. Step 2: Convert to fraction form
    48,312.64/66,709.28 = 31,324.96/x
  3. Step 3: Cross multiply
    48,312.64x = 66,709.28 × 31,324.96
  4. Step 4: Simplify right side
    48,312.64x = 2,089,665,527.63
  5. Step 5: Solve for x
    x = 2,089,665,527.63/48,312.64
  6. Step 6: Final answer
    x = 43,252.98

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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.