Home / 53,340.35-80,011.74-18,279.50

Finding the Fourth Proportional to 53,340.35, 80,011.74 and 18,279.50

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Solution

The fourth proportional to 53,340.35, 80,011.74 and 18,279.50 is: 27,419.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,340.35 : 80,011.74 = 18,279.50 : x
  2. Step 2: Convert to fraction form
    53,340.35/80,011.74 = 18,279.50/x
  3. Step 3: Cross multiply
    53,340.35x = 80,011.74 × 18,279.50
  4. Step 4: Simplify right side
    53,340.35x = 1,462,574,601.33
  5. Step 5: Solve for x
    x = 1,462,574,601.33/53,340.35
  6. Step 6: Final answer
    x = 27,419.67

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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.