Home / 30,705.68-42,374.01-17,277.17

Finding the Fourth Proportional to 30,705.68, 42,374.01 and 17,277.17

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Solution

The fourth proportional to 30,705.68, 42,374.01 and 17,277.17 is: 23,842.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,705.68 : 42,374.01 = 17,277.17 : x
  2. Step 2: Convert to fraction form
    30,705.68/42,374.01 = 17,277.17/x
  3. Step 3: Cross multiply
    30,705.68x = 42,374.01 × 17,277.17
  4. Step 4: Simplify right side
    30,705.68x = 732,102,762.48
  5. Step 5: Solve for x
    x = 732,102,762.48/30,705.68
  6. Step 6: Final answer
    x = 23,842.59

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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.