Home / 73,388.34-110,047.80-28,430.75

Finding the Fourth Proportional to 73,388.34, 110,047.80 and 28,430.75

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Solution

The fourth proportional to 73,388.34, 110,047.80 and 28,430.75 is: 42,632.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,388.34 : 110,047.80 = 28,430.75 : x
  2. Step 2: Convert to fraction form
    73,388.34/110,047.80 = 28,430.75/x
  3. Step 3: Cross multiply
    73,388.34x = 110,047.80 × 28,430.75
  4. Step 4: Simplify right side
    73,388.34x = 3,128,740,797.46
  5. Step 5: Solve for x
    x = 3,128,740,797.46/73,388.34
  6. Step 6: Final answer
    x = 42,632.67

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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.