Home / 30,775.50-46,143.51-13,001.34

Finding the Fourth Proportional to 30,775.50, 46,143.51 and 13,001.34

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Solution

The fourth proportional to 30,775.50, 46,143.51 and 13,001.34 is: 19,493.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,775.50 : 46,143.51 = 13,001.34 : x
  2. Step 2: Convert to fraction form
    30,775.50/46,143.51 = 13,001.34/x
  3. Step 3: Cross multiply
    30,775.50x = 46,143.51 × 13,001.34
  4. Step 4: Simplify right side
    30,775.50x = 599,927,462.30
  5. Step 5: Solve for x
    x = 599,927,462.30/30,775.50
  6. Step 6: Final answer
    x = 19,493.67

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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.