Home / 20,496.66-30,779.55-19,444.47

Finding the Fourth Proportional to 20,496.66, 30,779.55 and 19,444.47

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Solution

The fourth proportional to 20,496.66, 30,779.55 and 19,444.47 is: 29,199.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,496.66 : 30,779.55 = 19,444.47 : x
  2. Step 2: Convert to fraction form
    20,496.66/30,779.55 = 19,444.47/x
  3. Step 3: Cross multiply
    20,496.66x = 30,779.55 × 19,444.47
  4. Step 4: Simplify right side
    20,496.66x = 598,492,036.59
  5. Step 5: Solve for x
    x = 598,492,036.59/20,496.66
  6. Step 6: Final answer
    x = 29,199.49

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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.