Home / 30,320.06-41,827.37-19,705.82

Finding the Fourth Proportional to 30,320.06, 41,827.37 and 19,705.82

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Solution

The fourth proportional to 30,320.06, 41,827.37 and 19,705.82 is: 27,184.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,320.06 : 41,827.37 = 19,705.82 : x
  2. Step 2: Convert to fraction form
    30,320.06/41,827.37 = 19,705.82/x
  3. Step 3: Cross multiply
    30,320.06x = 41,827.37 × 19,705.82
  4. Step 4: Simplify right side
    30,320.06x = 824,242,316.63
  5. Step 5: Solve for x
    x = 824,242,316.63/30,320.06
  6. Step 6: Final answer
    x = 27,184.72

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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.