Home / 58,142.14-87,213.56-20,703.67

Finding the Fourth Proportional to 58,142.14, 87,213.56 and 20,703.67

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Solution

The fourth proportional to 58,142.14, 87,213.56 and 20,703.67 is: 31,055.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,142.14 : 87,213.56 = 20,703.67 : x
  2. Step 2: Convert to fraction form
    58,142.14/87,213.56 = 20,703.67/x
  3. Step 3: Cross multiply
    58,142.14x = 87,213.56 × 20,703.67
  4. Step 4: Simplify right side
    58,142.14x = 1,805,640,765.77
  5. Step 5: Solve for x
    x = 1,805,640,765.77/58,142.14
  6. Step 6: Final answer
    x = 31,055.63

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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.