Home / 53,430.24-80,150.16-18,370.16

Finding the Fourth Proportional to 53,430.24, 80,150.16 and 18,370.16

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Solution

The fourth proportional to 53,430.24, 80,150.16 and 18,370.16 is: 27,556.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,430.24 : 80,150.16 = 18,370.16 : x
  2. Step 2: Convert to fraction form
    53,430.24/80,150.16 = 18,370.16/x
  3. Step 3: Cross multiply
    53,430.24x = 80,150.16 × 18,370.16
  4. Step 4: Simplify right side
    53,430.24x = 1,472,371,263.23
  5. Step 5: Solve for x
    x = 1,472,371,263.23/53,430.24
  6. Step 6: Final answer
    x = 27,556.89

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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.