Home / 53,146.32-73,334.23-30,486.25

Finding the Fourth Proportional to 53,146.32, 73,334.23 and 30,486.25

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Solution

The fourth proportional to 53,146.32, 73,334.23 and 30,486.25 is: 42,066.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,146.32 : 73,334.23 = 30,486.25 : x
  2. Step 2: Convert to fraction form
    53,146.32/73,334.23 = 30,486.25/x
  3. Step 3: Cross multiply
    53,146.32x = 73,334.23 × 30,486.25
  4. Step 4: Simplify right side
    53,146.32x = 2,235,685,669.34
  5. Step 5: Solve for x
    x = 2,235,685,669.34/53,146.32
  6. Step 6: Final answer
    x = 42,066.61

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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.