Home / 49,973.14-74,959.71-20,404.90

Finding the Fourth Proportional to 49,973.14, 74,959.71 and 20,404.90

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Solution

The fourth proportional to 49,973.14, 74,959.71 and 20,404.90 is: 30,607.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,973.14 : 74,959.71 = 20,404.90 : x
  2. Step 2: Convert to fraction form
    49,973.14/74,959.71 = 20,404.90/x
  3. Step 3: Cross multiply
    49,973.14x = 74,959.71 × 20,404.90
  4. Step 4: Simplify right side
    49,973.14x = 1,529,545,386.58
  5. Step 5: Solve for x
    x = 1,529,545,386.58/49,973.14
  6. Step 6: Final answer
    x = 30,607.35

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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.