Home / 55,289.49-76,299.74-31,417.44

Finding the Fourth Proportional to 55,289.49, 76,299.74 and 31,417.44

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Solution

The fourth proportional to 55,289.49, 76,299.74 and 31,417.44 is: 43,356.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,289.49 : 76,299.74 = 31,417.44 : x
  2. Step 2: Convert to fraction form
    55,289.49/76,299.74 = 31,417.44/x
  3. Step 3: Cross multiply
    55,289.49x = 76,299.74 × 31,417.44
  4. Step 4: Simplify right side
    55,289.49x = 2,397,142,503.47
  5. Step 5: Solve for x
    x = 2,397,142,503.47/55,289.49
  6. Step 6: Final answer
    x = 43,356.21

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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.