Home / 55,634.40-76,774.50-34,408.08

Finding the Fourth Proportional to 55,634.40, 76,774.50 and 34,408.08

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Solution

The fourth proportional to 55,634.40, 76,774.50 and 34,408.08 is: 47,482.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,634.40 : 76,774.50 = 34,408.08 : x
  2. Step 2: Convert to fraction form
    55,634.40/76,774.50 = 34,408.08/x
  3. Step 3: Cross multiply
    55,634.40x = 76,774.50 × 34,408.08
  4. Step 4: Simplify right side
    55,634.40x = 2,641,663,137.96
  5. Step 5: Solve for x
    x = 2,641,663,137.96/55,634.40
  6. Step 6: Final answer
    x = 47,482.55

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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.