Home / 30,036.75-45,058.77-9,260.25

Finding the Fourth Proportional to 30,036.75, 45,058.77 and 9,260.25

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Solution

The fourth proportional to 30,036.75, 45,058.77 and 9,260.25 is: 13,891.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,036.75 : 45,058.77 = 9,260.25 : x
  2. Step 2: Convert to fraction form
    30,036.75/45,058.77 = 9,260.25/x
  3. Step 3: Cross multiply
    30,036.75x = 45,058.77 × 9,260.25
  4. Step 4: Simplify right side
    30,036.75x = 417,255,474.89
  5. Step 5: Solve for x
    x = 417,255,474.89/30,036.75
  6. Step 6: Final answer
    x = 13,891.50

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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.