Home / 39,022.02-58,538.73-12,720.30

Finding the Fourth Proportional to 39,022.02, 58,538.73 and 12,720.30

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Solution

The fourth proportional to 39,022.02, 58,538.73 and 12,720.30 is: 19,082.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,022.02 : 58,538.73 = 12,720.30 : x
  2. Step 2: Convert to fraction form
    39,022.02/58,538.73 = 12,720.30/x
  3. Step 3: Cross multiply
    39,022.02x = 58,538.73 × 12,720.30
  4. Step 4: Simplify right side
    39,022.02x = 744,630,207.22
  5. Step 5: Solve for x
    x = 744,630,207.22/39,022.02
  6. Step 6: Final answer
    x = 19,082.31

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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.