Home / 30,888.95-46,407.33-19,817.19

Finding the Fourth Proportional to 30,888.95, 46,407.33 and 19,817.19

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Solution

The fourth proportional to 30,888.95, 46,407.33 and 19,817.19 is: 29,773.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,888.95 : 46,407.33 = 19,817.19 : x
  2. Step 2: Convert to fraction form
    30,888.95/46,407.33 = 19,817.19/x
  3. Step 3: Cross multiply
    30,888.95x = 46,407.33 × 19,817.19
  4. Step 4: Simplify right side
    30,888.95x = 919,662,876.00
  5. Step 5: Solve for x
    x = 919,662,876.00/30,888.95
  6. Step 6: Final answer
    x = 29,773.20

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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.