Home / 30,225.35-41,731.76-18,900.34

Finding the Fourth Proportional to 30,225.35, 41,731.76 and 18,900.34

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Solution

The fourth proportional to 30,225.35, 41,731.76 and 18,900.34 is: 26,095.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,225.35 : 41,731.76 = 18,900.34 : x
  2. Step 2: Convert to fraction form
    30,225.35/41,731.76 = 18,900.34/x
  3. Step 3: Cross multiply
    30,225.35x = 41,731.76 × 18,900.34
  4. Step 4: Simplify right side
    30,225.35x = 788,744,289.41
  5. Step 5: Solve for x
    x = 788,744,289.41/30,225.35
  6. Step 6: Final answer
    x = 26,095.45

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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.