Home / 51,338.24-70,842.16-28,674.08

Finding the Fourth Proportional to 51,338.24, 70,842.16 and 28,674.08

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Solution

The fourth proportional to 51,338.24, 70,842.16 and 28,674.08 is: 39,567.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,338.24 : 70,842.16 = 28,674.08 : x
  2. Step 2: Convert to fraction form
    51,338.24/70,842.16 = 28,674.08/x
  3. Step 3: Cross multiply
    51,338.24x = 70,842.16 × 28,674.08
  4. Step 4: Simplify right side
    51,338.24x = 2,031,333,763.21
  5. Step 5: Solve for x
    x = 2,031,333,763.21/51,338.24
  6. Step 6: Final answer
    x = 39,567.65

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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.