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Finding the Fourth Proportional to 30,477.28, 42,060.84 and 17,052.84

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Solution

The fourth proportional to 30,477.28, 42,060.84 and 17,052.84 is: 23,534.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,477.28 : 42,060.84 = 17,052.84 : x
  2. Step 2: Convert to fraction form
    30,477.28/42,060.84 = 17,052.84/x
  3. Step 3: Cross multiply
    30,477.28x = 42,060.84 × 17,052.84
  4. Step 4: Simplify right side
    30,477.28x = 717,256,774.79
  5. Step 5: Solve for x
    x = 717,256,774.79/30,477.28
  6. Step 6: Final answer
    x = 23,534.15

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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.