Home / 35,339.28-48,765.40-19,422.78

Finding the Fourth Proportional to 35,339.28, 48,765.40 and 19,422.78

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Solution

The fourth proportional to 35,339.28, 48,765.40 and 19,422.78 is: 26,801.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,339.28 : 48,765.40 = 19,422.78 : x
  2. Step 2: Convert to fraction form
    35,339.28/48,765.40 = 19,422.78/x
  3. Step 3: Cross multiply
    35,339.28x = 48,765.40 × 19,422.78
  4. Step 4: Simplify right side
    35,339.28x = 947,159,635.81
  5. Step 5: Solve for x
    x = 947,159,635.81/35,339.28
  6. Step 6: Final answer
    x = 26,801.89

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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.