Home / 55,516.03-76,619.42-31,637.23

Finding the Fourth Proportional to 55,516.03, 76,619.42 and 31,637.23

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Solution

The fourth proportional to 55,516.03, 76,619.42 and 31,637.23 is: 43,663.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,516.03 : 76,619.42 = 31,637.23 : x
  2. Step 2: Convert to fraction form
    55,516.03/76,619.42 = 31,637.23/x
  3. Step 3: Cross multiply
    55,516.03x = 76,619.42 × 31,637.23
  4. Step 4: Simplify right side
    55,516.03x = 2,424,025,981.91
  5. Step 5: Solve for x
    x = 2,424,025,981.91/55,516.03
  6. Step 6: Final answer
    x = 43,663.53

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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.