Home / 55,725.95-76,903.14-30,575.45

Finding the Fourth Proportional to 55,725.95, 76,903.14 and 30,575.45

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Solution

The fourth proportional to 55,725.95, 76,903.14 and 30,575.45 is: 42,194.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,725.95 : 76,903.14 = 30,575.45 : x
  2. Step 2: Convert to fraction form
    55,725.95/76,903.14 = 30,575.45/x
  3. Step 3: Cross multiply
    55,725.95x = 76,903.14 × 30,575.45
  4. Step 4: Simplify right side
    55,725.95x = 2,351,347,727.40
  5. Step 5: Solve for x
    x = 2,351,347,727.40/55,725.95
  6. Step 6: Final answer
    x = 42,194.85

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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.