Home / 45,365.50-68,066.86-20,051.63

Finding the Fourth Proportional to 45,365.50, 68,066.86 and 20,051.63

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Solution

The fourth proportional to 45,365.50, 68,066.86 and 20,051.63 is: 30,085.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,365.50 : 68,066.86 = 20,051.63 : x
  2. Step 2: Convert to fraction form
    45,365.50/68,066.86 = 20,051.63/x
  3. Step 3: Cross multiply
    45,365.50x = 68,066.86 × 20,051.63
  4. Step 4: Simplify right side
    45,365.50x = 1,364,851,491.98
  5. Step 5: Solve for x
    x = 1,364,851,491.98/45,365.50
  6. Step 6: Final answer
    x = 30,085.67

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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.