Home / 30,543.12-42,148.26-17,796.96

Finding the Fourth Proportional to 30,543.12, 42,148.26 and 17,796.96

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Solution

The fourth proportional to 30,543.12, 42,148.26 and 17,796.96 is: 24,559.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,543.12 : 42,148.26 = 17,796.96 : x
  2. Step 2: Convert to fraction form
    30,543.12/42,148.26 = 17,796.96/x
  3. Step 3: Cross multiply
    30,543.12x = 42,148.26 × 17,796.96
  4. Step 4: Simplify right side
    30,543.12x = 750,110,897.29
  5. Step 5: Solve for x
    x = 750,110,897.29/30,543.12
  6. Step 6: Final answer
    x = 24,559.08

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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.