Home / 30,477.94-42,060.40-17,051.51

Finding the Fourth Proportional to 30,477.94, 42,060.40 and 17,051.51

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Solution

The fourth proportional to 30,477.94, 42,060.40 and 17,051.51 is: 23,531.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,477.94 : 42,060.40 = 17,051.51 : x
  2. Step 2: Convert to fraction form
    30,477.94/42,060.40 = 17,051.51/x
  3. Step 3: Cross multiply
    30,477.94x = 42,060.40 × 17,051.51
  4. Step 4: Simplify right side
    30,477.94x = 717,193,393.73
  5. Step 5: Solve for x
    x = 717,193,393.73/30,477.94
  6. Step 6: Final answer
    x = 23,531.56

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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.