Home / 30,742.40-46,084.08-19,617.68

Finding the Fourth Proportional to 30,742.40, 46,084.08 and 19,617.68

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Solution

The fourth proportional to 30,742.40, 46,084.08 and 19,617.68 is: 29,407.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,742.40 : 46,084.08 = 19,617.68 : x
  2. Step 2: Convert to fraction form
    30,742.40/46,084.08 = 19,617.68/x
  3. Step 3: Cross multiply
    30,742.40x = 46,084.08 × 19,617.68
  4. Step 4: Simplify right side
    30,742.40x = 904,062,734.53
  5. Step 5: Solve for x
    x = 904,062,734.53/30,742.40
  6. Step 6: Final answer
    x = 29,407.68

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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.