Home / 30,374.81-41,917.10-16,946.07

Finding the Fourth Proportional to 30,374.81, 41,917.10 and 16,946.07

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Solution

The fourth proportional to 30,374.81, 41,917.10 and 16,946.07 is: 23,385.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,374.81 : 41,917.10 = 16,946.07 : x
  2. Step 2: Convert to fraction form
    30,374.81/41,917.10 = 16,946.07/x
  3. Step 3: Cross multiply
    30,374.81x = 41,917.10 × 16,946.07
  4. Step 4: Simplify right side
    30,374.81x = 710,330,153.16
  5. Step 5: Solve for x
    x = 710,330,153.16/30,374.81
  6. Step 6: Final answer
    x = 23,385.50

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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.