Home / 30,839.40-46,225.98-13,317.48

Finding the Fourth Proportional to 30,839.40, 46,225.98 and 13,317.48

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Solution

The fourth proportional to 30,839.40, 46,225.98 and 13,317.48 is: 19,961.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,839.40 : 46,225.98 = 13,317.48 : x
  2. Step 2: Convert to fraction form
    30,839.40/46,225.98 = 13,317.48/x
  3. Step 3: Cross multiply
    30,839.40x = 46,225.98 × 13,317.48
  4. Step 4: Simplify right side
    30,839.40x = 615,613,564.13
  5. Step 5: Solve for x
    x = 615,613,564.13/30,839.40
  6. Step 6: Final answer
    x = 19,961.92

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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.