Home / 30,116.40-41,567.58-20,045.25

Finding the Fourth Proportional to 30,116.40, 41,567.58 and 20,045.25

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Solution

The fourth proportional to 30,116.40, 41,567.58 and 20,045.25 is: 27,667.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,116.40 : 41,567.58 = 20,045.25 : x
  2. Step 2: Convert to fraction form
    30,116.40/41,567.58 = 20,045.25/x
  3. Step 3: Cross multiply
    30,116.40x = 41,567.58 × 20,045.25
  4. Step 4: Simplify right side
    30,116.40x = 833,232,533.00
  5. Step 5: Solve for x
    x = 833,232,533.00/30,116.40
  6. Step 6: Final answer
    x = 27,667.07

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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.