Home / 35,430.03-48,892.80-19,515.96

Finding the Fourth Proportional to 35,430.03, 48,892.80 and 19,515.96

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Solution

The fourth proportional to 35,430.03, 48,892.80 and 19,515.96 is: 26,931.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,430.03 : 48,892.80 = 19,515.96 : x
  2. Step 2: Convert to fraction form
    35,430.03/48,892.80 = 19,515.96/x
  3. Step 3: Cross multiply
    35,430.03x = 48,892.80 × 19,515.96
  4. Step 4: Simplify right side
    35,430.03x = 954,189,929.09
  5. Step 5: Solve for x
    x = 954,189,929.09/35,430.03
  6. Step 6: Final answer
    x = 26,931.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.