Home / 42,828.31-64,226.49-14,740.42

Finding the Fourth Proportional to 42,828.31, 64,226.49 and 14,740.42

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Solution

The fourth proportional to 42,828.31, 64,226.49 and 14,740.42 is: 22,105.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,828.31 : 64,226.49 = 14,740.42 : x
  2. Step 2: Convert to fraction form
    42,828.31/64,226.49 = 14,740.42/x
  3. Step 3: Cross multiply
    42,828.31x = 64,226.49 × 14,740.42
  4. Step 4: Simplify right side
    42,828.31x = 946,725,437.73
  5. Step 5: Solve for x
    x = 946,725,437.73/42,828.31
  6. Step 6: Final answer
    x = 22,105.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.