Home / 30,429.84-41,988.06-17,000.58

Finding the Fourth Proportional to 30,429.84, 41,988.06 and 17,000.58

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Solution

The fourth proportional to 30,429.84, 41,988.06 and 17,000.58 is: 23,457.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,429.84 : 41,988.06 = 17,000.58 : x
  2. Step 2: Convert to fraction form
    30,429.84/41,988.06 = 17,000.58/x
  3. Step 3: Cross multiply
    30,429.84x = 41,988.06 × 17,000.58
  4. Step 4: Simplify right side
    30,429.84x = 713,821,373.07
  5. Step 5: Solve for x
    x = 713,821,373.07/30,429.84
  6. Step 6: Final answer
    x = 23,457.94

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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.