Home / 30,368.59-41,909.47-16,942.45

Finding the Fourth Proportional to 30,368.59, 41,909.47 and 16,942.45

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Solution

The fourth proportional to 30,368.59, 41,909.47 and 16,942.45 is: 23,381.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,368.59 : 41,909.47 = 16,942.45 : x
  2. Step 2: Convert to fraction form
    30,368.59/41,909.47 = 16,942.45/x
  3. Step 3: Cross multiply
    30,368.59x = 41,909.47 × 16,942.45
  4. Step 4: Simplify right side
    30,368.59x = 710,049,100.00
  5. Step 5: Solve for x
    x = 710,049,100.00/30,368.59
  6. Step 6: Final answer
    x = 23,381.04

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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.