Home / 55,378.49-76,419.65-31,502.93

Finding the Fourth Proportional to 55,378.49, 76,419.65 and 31,502.93

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Solution

The fourth proportional to 55,378.49, 76,419.65 and 31,502.93 is: 43,472.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,378.49 : 76,419.65 = 31,502.93 : x
  2. Step 2: Convert to fraction form
    55,378.49/76,419.65 = 31,502.93/x
  3. Step 3: Cross multiply
    55,378.49x = 76,419.65 × 31,502.93
  4. Step 4: Simplify right side
    55,378.49x = 2,407,442,581.23
  5. Step 5: Solve for x
    x = 2,407,442,581.23/55,378.49
  6. Step 6: Final answer
    x = 43,472.53

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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.