Home / 30,781.56-46,172.34-17,624.82

Finding the Fourth Proportional to 30,781.56, 46,172.34 and 17,624.82

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Solution

The fourth proportional to 30,781.56, 46,172.34 and 17,624.82 is: 26,437.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,781.56 : 46,172.34 = 17,624.82 : x
  2. Step 2: Convert to fraction form
    30,781.56/46,172.34 = 17,624.82/x
  3. Step 3: Cross multiply
    30,781.56x = 46,172.34 × 17,624.82
  4. Step 4: Simplify right side
    30,781.56x = 813,779,181.48
  5. Step 5: Solve for x
    x = 813,779,181.48/30,781.56
  6. Step 6: Final answer
    x = 26,437.23

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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.