Home / 30,458.06-45,663.93-21,073.13

Finding the Fourth Proportional to 30,458.06, 45,663.93 and 21,073.13

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Solution

The fourth proportional to 30,458.06, 45,663.93 and 21,073.13 is: 31,593.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,458.06 : 45,663.93 = 21,073.13 : x
  2. Step 2: Convert to fraction form
    30,458.06/45,663.93 = 21,073.13/x
  3. Step 3: Cross multiply
    30,458.06x = 45,663.93 × 21,073.13
  4. Step 4: Simplify right side
    30,458.06x = 962,281,704.88
  5. Step 5: Solve for x
    x = 962,281,704.88/30,458.06
  6. Step 6: Final answer
    x = 31,593.67

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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.