Home / 39,563.70-59,346.15-12,909.57

Finding the Fourth Proportional to 39,563.70, 59,346.15 and 12,909.57

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Solution

The fourth proportional to 39,563.70, 59,346.15 and 12,909.57 is: 19,364.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,563.70 : 59,346.15 = 12,909.57 : x
  2. Step 2: Convert to fraction form
    39,563.70/59,346.15 = 12,909.57/x
  3. Step 3: Cross multiply
    39,563.70x = 59,346.15 × 12,909.57
  4. Step 4: Simplify right side
    39,563.70x = 766,133,277.66
  5. Step 5: Solve for x
    x = 766,133,277.66/39,563.70
  6. Step 6: Final answer
    x = 19,364.55

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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.