Home / 56,690.07-84,905.50-27,128.67

Finding the Fourth Proportional to 56,690.07, 84,905.50 and 27,128.67

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Solution

The fourth proportional to 56,690.07, 84,905.50 and 27,128.67 is: 40,630.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,690.07 : 84,905.50 = 27,128.67 : x
  2. Step 2: Convert to fraction form
    56,690.07/84,905.50 = 27,128.67/x
  3. Step 3: Cross multiply
    56,690.07x = 84,905.50 × 27,128.67
  4. Step 4: Simplify right side
    56,690.07x = 2,303,373,290.69
  5. Step 5: Solve for x
    x = 2,303,373,290.69/56,690.07
  6. Step 6: Final answer
    x = 40,630.98

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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.