Home / 30,259.74-45,390.83-10,540.29

Finding the Fourth Proportional to 30,259.74, 45,390.83 and 10,540.29

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Solution

The fourth proportional to 30,259.74, 45,390.83 and 10,540.29 is: 15,810.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,259.74 : 45,390.83 = 10,540.29 : x
  2. Step 2: Convert to fraction form
    30,259.74/45,390.83 = 10,540.29/x
  3. Step 3: Cross multiply
    30,259.74x = 45,390.83 × 10,540.29
  4. Step 4: Simplify right side
    30,259.74x = 478,432,458.84
  5. Step 5: Solve for x
    x = 478,432,458.84/30,259.74
  6. Step 6: Final answer
    x = 15,810.86

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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.