Home / 35,890.81-49,534.02-20,583.35

Finding the Fourth Proportional to 35,890.81, 49,534.02 and 20,583.35

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Solution

The fourth proportional to 35,890.81, 49,534.02 and 20,583.35 is: 28,407.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,890.81 : 49,534.02 = 20,583.35 : x
  2. Step 2: Convert to fraction form
    35,890.81/49,534.02 = 20,583.35/x
  3. Step 3: Cross multiply
    35,890.81x = 49,534.02 × 20,583.35
  4. Step 4: Simplify right side
    35,890.81x = 1,019,575,967.65
  5. Step 5: Solve for x
    x = 1,019,575,967.65/35,890.81
  6. Step 6: Final answer
    x = 28,407.72

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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.