Home / 30,166.95-45,250.57-12,407.29

Finding the Fourth Proportional to 30,166.95, 45,250.57 and 12,407.29

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Solution

The fourth proportional to 30,166.95, 45,250.57 and 12,407.29 is: 18,611.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,166.95 : 45,250.57 = 12,407.29 : x
  2. Step 2: Convert to fraction form
    30,166.95/45,250.57 = 12,407.29/x
  3. Step 3: Cross multiply
    30,166.95x = 45,250.57 × 12,407.29
  4. Step 4: Simplify right side
    30,166.95x = 561,436,913.64
  5. Step 5: Solve for x
    x = 561,436,913.64/30,166.95
  6. Step 6: Final answer
    x = 18,611.00

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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.