Home / 43,029.01-64,485.19-20,798.16

Finding the Fourth Proportional to 43,029.01, 64,485.19 and 20,798.16

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Solution

The fourth proportional to 43,029.01, 64,485.19 and 20,798.16 is: 31,169.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,029.01 : 64,485.19 = 20,798.16 : x
  2. Step 2: Convert to fraction form
    43,029.01/64,485.19 = 20,798.16/x
  3. Step 3: Cross multiply
    43,029.01x = 64,485.19 × 20,798.16
  4. Step 4: Simplify right side
    43,029.01x = 1,341,173,299.25
  5. Step 5: Solve for x
    x = 1,341,173,299.25/43,029.01
  6. Step 6: Final answer
    x = 31,169.05

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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.