Home / 35,953.28-49,615.78-20,038.76

Finding the Fourth Proportional to 35,953.28, 49,615.78 and 20,038.76

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Solution

The fourth proportional to 35,953.28, 49,615.78 and 20,038.76 is: 27,653.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,953.28 : 49,615.78 = 20,038.76 : x
  2. Step 2: Convert to fraction form
    35,953.28/49,615.78 = 20,038.76/x
  3. Step 3: Cross multiply
    35,953.28x = 49,615.78 × 20,038.76
  4. Step 4: Simplify right side
    35,953.28x = 994,238,707.63
  5. Step 5: Solve for x
    x = 994,238,707.63/35,953.28
  6. Step 6: Final answer
    x = 27,653.63

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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.