Home / 30,303.32-41,823.54-18,977.09

Finding the Fourth Proportional to 30,303.32, 41,823.54 and 18,977.09

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Solution

The fourth proportional to 30,303.32, 41,823.54 and 18,977.09 is: 26,191.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,303.32 : 41,823.54 = 18,977.09 : x
  2. Step 2: Convert to fraction form
    30,303.32/41,823.54 = 18,977.09/x
  3. Step 3: Cross multiply
    30,303.32x = 41,823.54 × 18,977.09
  4. Step 4: Simplify right side
    30,303.32x = 793,688,873.58
  5. Step 5: Solve for x
    x = 793,688,873.58/30,303.32
  6. Step 6: Final answer
    x = 26,191.49

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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.