Home / 53,230.78-73,460.12-30,574.32

Finding the Fourth Proportional to 53,230.78, 73,460.12 and 30,574.32

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Solution

The fourth proportional to 53,230.78, 73,460.12 and 30,574.32 is: 42,193.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,230.78 : 73,460.12 = 30,574.32 : x
  2. Step 2: Convert to fraction form
    53,230.78/73,460.12 = 30,574.32/x
  3. Step 3: Cross multiply
    53,230.78x = 73,460.12 × 30,574.32
  4. Step 4: Simplify right side
    53,230.78x = 2,245,993,292.55
  5. Step 5: Solve for x
    x = 2,245,993,292.55/53,230.78
  6. Step 6: Final answer
    x = 42,193.50

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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.