Home / 35,739.06-49,320.12-19,823.76

Finding the Fourth Proportional to 35,739.06, 49,320.12 and 19,823.76

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Solution

The fourth proportional to 35,739.06, 49,320.12 and 19,823.76 is: 27,356.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,739.06 : 49,320.12 = 19,823.76 : x
  2. Step 2: Convert to fraction form
    35,739.06/49,320.12 = 19,823.76/x
  3. Step 3: Cross multiply
    35,739.06x = 49,320.12 × 19,823.76
  4. Step 4: Simplify right side
    35,739.06x = 977,710,222.05
  5. Step 5: Solve for x
    x = 977,710,222.05/35,739.06
  6. Step 6: Final answer
    x = 27,356.91

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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.