Home / 35,431.64-48,896.06-19,515.76

Finding the Fourth Proportional to 35,431.64, 48,896.06 and 19,515.76

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Solution

The fourth proportional to 35,431.64, 48,896.06 and 19,515.76 is: 26,931.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,431.64 : 48,896.06 = 19,515.76 : x
  2. Step 2: Convert to fraction form
    35,431.64/48,896.06 = 19,515.76/x
  3. Step 3: Cross multiply
    35,431.64x = 48,896.06 × 19,515.76
  4. Step 4: Simplify right side
    35,431.64x = 954,243,771.91
  5. Step 5: Solve for x
    x = 954,243,771.91/35,431.64
  6. Step 6: Final answer
    x = 26,931.97

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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.