Home / 55,323.28-76,321.80-37,411.84

Finding the Fourth Proportional to 55,323.28, 76,321.80 and 37,411.84

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Solution

The fourth proportional to 55,323.28, 76,321.80 and 37,411.84 is: 51,611.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,323.28 : 76,321.80 = 37,411.84 : x
  2. Step 2: Convert to fraction form
    55,323.28/76,321.80 = 37,411.84/x
  3. Step 3: Cross multiply
    55,323.28x = 76,321.80 × 37,411.84
  4. Step 4: Simplify right side
    55,323.28x = 2,855,338,970.11
  5. Step 5: Solve for x
    x = 2,855,338,970.11/55,323.28
  6. Step 6: Final answer
    x = 51,611.89

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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.