Home / 51,024.12-70,424.70-28,371.05

Finding the Fourth Proportional to 51,024.12, 70,424.70 and 28,371.05

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Solution

The fourth proportional to 51,024.12, 70,424.70 and 28,371.05 is: 39,158.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,024.12 : 70,424.70 = 28,371.05 : x
  2. Step 2: Convert to fraction form
    51,024.12/70,424.70 = 28,371.05/x
  3. Step 3: Cross multiply
    51,024.12x = 70,424.70 × 28,371.05
  4. Step 4: Simplify right side
    51,024.12x = 1,998,022,684.94
  5. Step 5: Solve for x
    x = 1,998,022,684.94/51,024.12
  6. Step 6: Final answer
    x = 39,158.40

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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.