Home / 30,766.15-42,482.51-19,453.96

Finding the Fourth Proportional to 30,766.15, 42,482.51 and 19,453.96

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Solution

The fourth proportional to 30,766.15, 42,482.51 and 19,453.96 is: 26,862.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,766.15 : 42,482.51 = 19,453.96 : x
  2. Step 2: Convert to fraction form
    30,766.15/42,482.51 = 19,453.96/x
  3. Step 3: Cross multiply
    30,766.15x = 42,482.51 × 19,453.96
  4. Step 4: Simplify right side
    30,766.15x = 826,453,050.24
  5. Step 5: Solve for x
    x = 826,453,050.24/30,766.15
  6. Step 6: Final answer
    x = 26,862.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.