Home / 39,667.85-59,503.75-13,011.47

Finding the Fourth Proportional to 39,667.85, 59,503.75 and 13,011.47

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Solution

The fourth proportional to 39,667.85, 59,503.75 and 13,011.47 is: 19,517.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,667.85 : 59,503.75 = 13,011.47 : x
  2. Step 2: Convert to fraction form
    39,667.85/59,503.75 = 13,011.47/x
  3. Step 3: Cross multiply
    39,667.85x = 59,503.75 × 13,011.47
  4. Step 4: Simplify right side
    39,667.85x = 774,230,895.44
  5. Step 5: Solve for x
    x = 774,230,895.44/39,667.85
  6. Step 6: Final answer
    x = 19,517.85

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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.