Home / 30,667.10-45,984.45-13,117.10

Finding the Fourth Proportional to 30,667.10, 45,984.45 and 13,117.10

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Solution

The fourth proportional to 30,667.10, 45,984.45 and 13,117.10 is: 19,668.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,667.10 : 45,984.45 = 13,117.10 : x
  2. Step 2: Convert to fraction form
    30,667.10/45,984.45 = 13,117.10/x
  3. Step 3: Cross multiply
    30,667.10x = 45,984.45 × 13,117.10
  4. Step 4: Simplify right side
    30,667.10x = 603,182,629.10
  5. Step 5: Solve for x
    x = 603,182,629.10/30,667.10
  6. Step 6: Final answer
    x = 19,668.72

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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.