Home / 51,305.33-70,813.15-30,091.43

Finding the Fourth Proportional to 51,305.33, 70,813.15 and 30,091.43

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Solution

The fourth proportional to 51,305.33, 70,813.15 and 30,091.43 is: 41,533.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,305.33 : 70,813.15 = 30,091.43 : x
  2. Step 2: Convert to fraction form
    51,305.33/70,813.15 = 30,091.43/x
  3. Step 3: Cross multiply
    51,305.33x = 70,813.15 × 30,091.43
  4. Step 4: Simplify right side
    51,305.33x = 2,130,869,048.11
  5. Step 5: Solve for x
    x = 2,130,869,048.11/51,305.33
  6. Step 6: Final answer
    x = 41,533.09

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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.