Home / 51,647.60-77,445.81-18,362.67

Finding the Fourth Proportional to 51,647.60, 77,445.81 and 18,362.67

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Solution

The fourth proportional to 51,647.60, 77,445.81 and 18,362.67 is: 27,534.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,647.60 : 77,445.81 = 18,362.67 : x
  2. Step 2: Convert to fraction form
    51,647.60/77,445.81 = 18,362.67/x
  3. Step 3: Cross multiply
    51,647.60x = 77,445.81 × 18,362.67
  4. Step 4: Simplify right side
    51,647.60x = 1,422,111,851.91
  5. Step 5: Solve for x
    x = 1,422,111,851.91/51,647.60
  6. Step 6: Final answer
    x = 27,534.91

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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.