Home / 35,300.30-48,719.51-21,154.46

Finding the Fourth Proportional to 35,300.30, 48,719.51 and 21,154.46

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Solution

The fourth proportional to 35,300.30, 48,719.51 and 21,154.46 is: 29,196.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,300.30 : 48,719.51 = 21,154.46 : x
  2. Step 2: Convert to fraction form
    35,300.30/48,719.51 = 21,154.46/x
  3. Step 3: Cross multiply
    35,300.30x = 48,719.51 × 21,154.46
  4. Step 4: Simplify right side
    35,300.30x = 1,030,634,819.74
  5. Step 5: Solve for x
    x = 1,030,634,819.74/35,300.30
  6. Step 6: Final answer
    x = 29,196.21

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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.