Home / 40,298.99-55,639.73-36,036.77

Finding the Fourth Proportional to 40,298.99, 55,639.73 and 36,036.77

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Solution

The fourth proportional to 40,298.99, 55,639.73 and 36,036.77 is: 49,754.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,298.99 : 55,639.73 = 36,036.77 : x
  2. Step 2: Convert to fraction form
    40,298.99/55,639.73 = 36,036.77/x
  3. Step 3: Cross multiply
    40,298.99x = 55,639.73 × 36,036.77
  4. Step 4: Simplify right side
    40,298.99x = 2,005,075,972.69
  5. Step 5: Solve for x
    x = 2,005,075,972.69/40,298.99
  6. Step 6: Final answer
    x = 49,754.99

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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.