Home / 35,622.57-53,433.99-13,430.01

Finding the Fourth Proportional to 35,622.57, 53,433.99 and 13,430.01

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Solution

The fourth proportional to 35,622.57, 53,433.99 and 13,430.01 is: 20,145.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,622.57 : 53,433.99 = 13,430.01 : x
  2. Step 2: Convert to fraction form
    35,622.57/53,433.99 = 13,430.01/x
  3. Step 3: Cross multiply
    35,622.57x = 53,433.99 × 13,430.01
  4. Step 4: Simplify right side
    35,622.57x = 717,619,020.04
  5. Step 5: Solve for x
    x = 717,619,020.04/35,622.57
  6. Step 6: Final answer
    x = 20,145.07

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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.