Home / 30,732.21-42,409.98-17,303.42

Finding the Fourth Proportional to 30,732.21, 42,409.98 and 17,303.42

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Solution

The fourth proportional to 30,732.21, 42,409.98 and 17,303.42 is: 23,878.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,732.21 : 42,409.98 = 17,303.42 : x
  2. Step 2: Convert to fraction form
    30,732.21/42,409.98 = 17,303.42/x
  3. Step 3: Cross multiply
    30,732.21x = 42,409.98 × 17,303.42
  4. Step 4: Simplify right side
    30,732.21x = 733,837,802.16
  5. Step 5: Solve for x
    x = 733,837,802.16/30,732.21
  6. Step 6: Final answer
    x = 23,878.46

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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.