Home / 42,696.87-64,038.05-11,524.83

Finding the Fourth Proportional to 42,696.87, 64,038.05 and 11,524.83

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Solution

The fourth proportional to 42,696.87, 64,038.05 and 11,524.83 is: 17,285.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,696.87 : 64,038.05 = 11,524.83 : x
  2. Step 2: Convert to fraction form
    42,696.87/64,038.05 = 11,524.83/x
  3. Step 3: Cross multiply
    42,696.87x = 64,038.05 × 11,524.83
  4. Step 4: Simplify right side
    42,696.87x = 738,027,582.16
  5. Step 5: Solve for x
    x = 738,027,582.16/42,696.87
  6. Step 6: Final answer
    x = 17,285.29

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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.