Home / 40,890.02-61,341.94-12,804.54

Finding the Fourth Proportional to 40,890.02, 61,341.94 and 12,804.54

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Solution

The fourth proportional to 40,890.02, 61,341.94 and 12,804.54 is: 19,208.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,890.02 : 61,341.94 = 12,804.54 : x
  2. Step 2: Convert to fraction form
    40,890.02/61,341.94 = 12,804.54/x
  3. Step 3: Cross multiply
    40,890.02x = 61,341.94 × 12,804.54
  4. Step 4: Simplify right side
    40,890.02x = 785,455,324.41
  5. Step 5: Solve for x
    x = 785,455,324.41/40,890.02
  6. Step 6: Final answer
    x = 19,208.97

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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.