Home / 30,871.77-46,307.65-7,498.05

Finding the Fourth Proportional to 30,871.77, 46,307.65 and 7,498.05

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Solution

The fourth proportional to 30,871.77, 46,307.65 and 7,498.05 is: 11,247.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,871.77 : 46,307.65 = 7,498.05 : x
  2. Step 2: Convert to fraction form
    30,871.77/46,307.65 = 7,498.05/x
  3. Step 3: Cross multiply
    30,871.77x = 46,307.65 × 7,498.05
  4. Step 4: Simplify right side
    30,871.77x = 347,217,075.08
  5. Step 5: Solve for x
    x = 347,217,075.08/30,871.77
  6. Step 6: Final answer
    x = 11,247.07

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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.