Home / 37,907.08-52,312.18-21,140.36

Finding the Fourth Proportional to 37,907.08, 52,312.18 and 21,140.36

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Solution

The fourth proportional to 37,907.08, 52,312.18 and 21,140.36 is: 29,173.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,907.08 : 52,312.18 = 21,140.36 : x
  2. Step 2: Convert to fraction form
    37,907.08/52,312.18 = 21,140.36/x
  3. Step 3: Cross multiply
    37,907.08x = 52,312.18 × 21,140.36
  4. Step 4: Simplify right side
    37,907.08x = 1,105,898,317.58
  5. Step 5: Solve for x
    x = 1,105,898,317.58/37,907.08
  6. Step 6: Final answer
    x = 29,173.93

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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.