Home / 55,209.60-76,191.10-31,014.84

Finding the Fourth Proportional to 55,209.60, 76,191.10 and 31,014.84

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Solution

The fourth proportional to 55,209.60, 76,191.10 and 31,014.84 is: 42,801.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,209.60 : 76,191.10 = 31,014.84 : x
  2. Step 2: Convert to fraction form
    55,209.60/76,191.10 = 31,014.84/x
  3. Step 3: Cross multiply
    55,209.60x = 76,191.10 × 31,014.84
  4. Step 4: Simplify right side
    55,209.60x = 2,363,054,775.92
  5. Step 5: Solve for x
    x = 2,363,054,775.92/55,209.60
  6. Step 6: Final answer
    x = 42,801.52

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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.