Home / 30,447.09-45,555.80-17,973.90

Finding the Fourth Proportional to 30,447.09, 45,555.80 and 17,973.90

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Solution

The fourth proportional to 30,447.09, 45,555.80 and 17,973.90 is: 26,893.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,447.09 : 45,555.80 = 17,973.90 : x
  2. Step 2: Convert to fraction form
    30,447.09/45,555.80 = 17,973.90/x
  3. Step 3: Cross multiply
    30,447.09x = 45,555.80 × 17,973.90
  4. Step 4: Simplify right side
    30,447.09x = 818,815,303.75
  5. Step 5: Solve for x
    x = 818,815,303.75/30,447.09
  6. Step 6: Final answer
    x = 26,893.06

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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.