Home / 30,485.17-42,070.44-17,056.12

Finding the Fourth Proportional to 30,485.17, 42,070.44 and 17,056.12

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Solution

The fourth proportional to 30,485.17, 42,070.44 and 17,056.12 is: 23,537.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,485.17 : 42,070.44 = 17,056.12 : x
  2. Step 2: Convert to fraction form
    30,485.17/42,070.44 = 17,056.12/x
  3. Step 3: Cross multiply
    30,485.17x = 42,070.44 × 17,056.12
  4. Step 4: Simplify right side
    30,485.17x = 717,558,473.09
  5. Step 5: Solve for x
    x = 717,558,473.09/30,485.17
  6. Step 6: Final answer
    x = 23,537.95

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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.