Home / 30,561.77-45,849.56-13,917.35

Finding the Fourth Proportional to 30,561.77, 45,849.56 and 13,917.35

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Solution

The fourth proportional to 30,561.77, 45,849.56 and 13,917.35 is: 20,879.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,561.77 : 45,849.56 = 13,917.35 : x
  2. Step 2: Convert to fraction form
    30,561.77/45,849.56 = 13,917.35/x
  3. Step 3: Cross multiply
    30,561.77x = 45,849.56 × 13,917.35
  4. Step 4: Simplify right side
    30,561.77x = 638,104,075.03
  5. Step 5: Solve for x
    x = 638,104,075.03/30,561.77
  6. Step 6: Final answer
    x = 20,879.16

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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.