Home / 55,353.96-76,388.64-31,482.30

Finding the Fourth Proportional to 55,353.96, 76,388.64 and 31,482.30

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Solution

The fourth proportional to 55,353.96, 76,388.64 and 31,482.30 is: 43,445.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,353.96 : 76,388.64 = 31,482.30 : x
  2. Step 2: Convert to fraction form
    55,353.96/76,388.64 = 31,482.30/x
  3. Step 3: Cross multiply
    55,353.96x = 76,388.64 × 31,482.30
  4. Step 4: Simplify right side
    55,353.96x = 2,404,890,081.07
  5. Step 5: Solve for x
    x = 2,404,890,081.07/55,353.96
  6. Step 6: Final answer
    x = 43,445.67

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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.