Home / 55,439.86-76,506.99-30,289.36

Finding the Fourth Proportional to 55,439.86, 76,506.99 and 30,289.36

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Solution

The fourth proportional to 55,439.86, 76,506.99 and 30,289.36 is: 41,799.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,439.86 : 76,506.99 = 30,289.36 : x
  2. Step 2: Convert to fraction form
    55,439.86/76,506.99 = 30,289.36/x
  3. Step 3: Cross multiply
    55,439.86x = 76,506.99 × 30,289.36
  4. Step 4: Simplify right side
    55,439.86x = 2,317,347,762.63
  5. Step 5: Solve for x
    x = 2,317,347,762.63/55,439.86
  6. Step 6: Final answer
    x = 41,799.31

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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.