Home / 30,485.18-42,069.73-17,056.43

Finding the Fourth Proportional to 30,485.18, 42,069.73 and 17,056.43

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Solution

The fourth proportional to 30,485.18, 42,069.73 and 17,056.43 is: 23,537.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,485.18 : 42,069.73 = 17,056.43 : x
  2. Step 2: Convert to fraction form
    30,485.18/42,069.73 = 17,056.43/x
  3. Step 3: Cross multiply
    30,485.18x = 42,069.73 × 17,056.43
  4. Step 4: Simplify right side
    30,485.18x = 717,559,151.87
  5. Step 5: Solve for x
    x = 717,559,151.87/30,485.18
  6. Step 6: Final answer
    x = 23,537.97

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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.