Home / 35,430.54-53,109.35-15,718.38

Finding the Fourth Proportional to 35,430.54, 53,109.35 and 15,718.38

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Solution

The fourth proportional to 35,430.54, 53,109.35 and 15,718.38 is: 23,561.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,430.54 : 53,109.35 = 15,718.38 : x
  2. Step 2: Convert to fraction form
    35,430.54/53,109.35 = 15,718.38/x
  3. Step 3: Cross multiply
    35,430.54x = 53,109.35 × 15,718.38
  4. Step 4: Simplify right side
    35,430.54x = 834,792,944.85
  5. Step 5: Solve for x
    x = 834,792,944.85/35,430.54
  6. Step 6: Final answer
    x = 23,561.39

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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.