Home / 30,918.41-46,368.33-13,148.92

Finding the Fourth Proportional to 30,918.41, 46,368.33 and 13,148.92

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Solution

The fourth proportional to 30,918.41, 46,368.33 and 13,148.92 is: 19,719.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,918.41 : 46,368.33 = 13,148.92 : x
  2. Step 2: Convert to fraction form
    30,918.41/46,368.33 = 13,148.92/x
  3. Step 3: Cross multiply
    30,918.41x = 46,368.33 × 13,148.92
  4. Step 4: Simplify right side
    30,918.41x = 609,693,451.38
  5. Step 5: Solve for x
    x = 609,693,451.38/30,918.41
  6. Step 6: Final answer
    x = 19,719.43

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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.