Home / 30,841.40-46,228.98-13,319.48

Finding the Fourth Proportional to 30,841.40, 46,228.98 and 13,319.48

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Solution

The fourth proportional to 30,841.40, 46,228.98 and 13,319.48 is: 19,964.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,841.40 : 46,228.98 = 13,319.48 : x
  2. Step 2: Convert to fraction form
    30,841.40/46,228.98 = 13,319.48/x
  3. Step 3: Cross multiply
    30,841.40x = 46,228.98 × 13,319.48
  4. Step 4: Simplify right side
    30,841.40x = 615,745,974.53
  5. Step 5: Solve for x
    x = 615,745,974.53/30,841.40
  6. Step 6: Final answer
    x = 19,964.92

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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.