Home / 30,866.33-42,596.40-17,438.15

Finding the Fourth Proportional to 30,866.33, 42,596.40 and 17,438.15

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Solution

The fourth proportional to 30,866.33, 42,596.40 and 17,438.15 is: 24,065.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,866.33 : 42,596.40 = 17,438.15 : x
  2. Step 2: Convert to fraction form
    30,866.33/42,596.40 = 17,438.15/x
  3. Step 3: Cross multiply
    30,866.33x = 42,596.40 × 17,438.15
  4. Step 4: Simplify right side
    30,866.33x = 742,802,199.68
  5. Step 5: Solve for x
    x = 742,802,199.68/30,866.33
  6. Step 6: Final answer
    x = 24,065.13

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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.