Home / 30,477.51-42,060.85-17,049.67

Finding the Fourth Proportional to 30,477.51, 42,060.85 and 17,049.67

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Solution

The fourth proportional to 30,477.51, 42,060.85 and 17,049.67 is: 23,529.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,477.51 : 42,060.85 = 17,049.67 : x
  2. Step 2: Convert to fraction form
    30,477.51/42,060.85 = 17,049.67/x
  3. Step 3: Cross multiply
    30,477.51x = 42,060.85 × 17,049.67
  4. Step 4: Simplify right side
    30,477.51x = 717,123,464.64
  5. Step 5: Solve for x
    x = 717,123,464.64/30,477.51
  6. Step 6: Final answer
    x = 23,529.59

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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.