Home / 30,485.41-45,736.34-12,710.18

Finding the Fourth Proportional to 30,485.41, 45,736.34 and 12,710.18

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Solution

The fourth proportional to 30,485.41, 45,736.34 and 12,710.18 is: 19,068.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,485.41 : 45,736.34 = 12,710.18 : x
  2. Step 2: Convert to fraction form
    30,485.41/45,736.34 = 12,710.18/x
  3. Step 3: Cross multiply
    30,485.41x = 45,736.34 × 12,710.18
  4. Step 4: Simplify right side
    30,485.41x = 581,317,260.06
  5. Step 5: Solve for x
    x = 581,317,260.06/30,485.41
  6. Step 6: Final answer
    x = 19,068.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.