Home / 40,065.55-55,289.08-22,160.50

Finding the Fourth Proportional to 40,065.55, 55,289.08 and 22,160.50

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Solution

The fourth proportional to 40,065.55, 55,289.08 and 22,160.50 is: 30,580.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,065.55 : 55,289.08 = 22,160.50 : x
  2. Step 2: Convert to fraction form
    40,065.55/55,289.08 = 22,160.50/x
  3. Step 3: Cross multiply
    40,065.55x = 55,289.08 × 22,160.50
  4. Step 4: Simplify right side
    40,065.55x = 1,225,233,657.34
  5. Step 5: Solve for x
    x = 1,225,233,657.34/40,065.55
  6. Step 6: Final answer
    x = 30,580.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.