Home / 55,448.50-76,518.84-31,575.18

Finding the Fourth Proportional to 55,448.50, 76,518.84 and 31,575.18

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Solution

The fourth proportional to 55,448.50, 76,518.84 and 31,575.18 is: 43,573.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,448.50 : 76,518.84 = 31,575.18 : x
  2. Step 2: Convert to fraction form
    55,448.50/76,518.84 = 31,575.18/x
  3. Step 3: Cross multiply
    55,448.50x = 76,518.84 × 31,575.18
  4. Step 4: Simplify right side
    55,448.50x = 2,416,096,146.39
  5. Step 5: Solve for x
    x = 2,416,096,146.39/55,448.50
  6. Step 6: Final answer
    x = 43,573.70

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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.