Home / 30,610.71-45,931.86-13,075.83

Finding the Fourth Proportional to 30,610.71, 45,931.86 and 13,075.83

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Solution

The fourth proportional to 30,610.71, 45,931.86 and 13,075.83 is: 19,620.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,610.71 : 45,931.86 = 13,075.83 : x
  2. Step 2: Convert to fraction form
    30,610.71/45,931.86 = 13,075.83/x
  3. Step 3: Cross multiply
    30,610.71x = 45,931.86 × 13,075.83
  4. Step 4: Simplify right side
    30,610.71x = 600,597,192.94
  5. Step 5: Solve for x
    x = 600,597,192.94/30,610.71
  6. Step 6: Final answer
    x = 19,620.49

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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.