Home / 55,071.72-82,606.12-15,628.84

Finding the Fourth Proportional to 55,071.72, 82,606.12 and 15,628.84

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Solution

The fourth proportional to 55,071.72, 82,606.12 and 15,628.84 is: 23,442.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,071.72 : 82,606.12 = 15,628.84 : x
  2. Step 2: Convert to fraction form
    55,071.72/82,606.12 = 15,628.84/x
  3. Step 3: Cross multiply
    55,071.72x = 82,606.12 × 15,628.84
  4. Step 4: Simplify right side
    55,071.72x = 1,291,037,832.50
  5. Step 5: Solve for x
    x = 1,291,037,832.50/55,071.72
  6. Step 6: Final answer
    x = 23,442.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.