Home / 35,904.81-49,541.40-21,749.43

Finding the Fourth Proportional to 35,904.81, 49,541.40 and 21,749.43

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Solution

The fourth proportional to 35,904.81, 49,541.40 and 21,749.43 is: 30,009.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,904.81 : 49,541.40 = 21,749.43 : x
  2. Step 2: Convert to fraction form
    35,904.81/49,541.40 = 21,749.43/x
  3. Step 3: Cross multiply
    35,904.81x = 49,541.40 × 21,749.43
  4. Step 4: Simplify right side
    35,904.81x = 1,077,497,211.40
  5. Step 5: Solve for x
    x = 1,077,497,211.40/35,904.81
  6. Step 6: Final answer
    x = 30,009.83

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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.