Home / 45,502.81-68,212.64-38,527.77

Finding the Fourth Proportional to 45,502.81, 68,212.64 and 38,527.77

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Solution

The fourth proportional to 45,502.81, 68,212.64 and 38,527.77 is: 57,756.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,502.81 : 68,212.64 = 38,527.77 : x
  2. Step 2: Convert to fraction form
    45,502.81/68,212.64 = 38,527.77/x
  3. Step 3: Cross multiply
    45,502.81x = 68,212.64 × 38,527.77
  4. Step 4: Simplify right side
    45,502.81x = 2,628,080,371.31
  5. Step 5: Solve for x
    x = 2,628,080,371.31/45,502.81
  6. Step 6: Final answer
    x = 57,756.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.