Home / 45,587.61-68,319.65-20,596.48

Finding the Fourth Proportional to 45,587.61, 68,319.65 and 20,596.48

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Solution

The fourth proportional to 45,587.61, 68,319.65 and 20,596.48 is: 30,866.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,587.61 : 68,319.65 = 20,596.48 : x
  2. Step 2: Convert to fraction form
    45,587.61/68,319.65 = 20,596.48/x
  3. Step 3: Cross multiply
    45,587.61x = 68,319.65 × 20,596.48
  4. Step 4: Simplify right side
    45,587.61x = 1,407,144,185.52
  5. Step 5: Solve for x
    x = 1,407,144,185.52/45,587.61
  6. Step 6: Final answer
    x = 30,866.81

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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.