Home / 30,809.07-42,528.06-23,989.64

Finding the Fourth Proportional to 30,809.07, 42,528.06 and 23,989.64

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Solution

The fourth proportional to 30,809.07, 42,528.06 and 23,989.64 is: 33,114.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,809.07 : 42,528.06 = 23,989.64 : x
  2. Step 2: Convert to fraction form
    30,809.07/42,528.06 = 23,989.64/x
  3. Step 3: Cross multiply
    30,809.07x = 42,528.06 × 23,989.64
  4. Step 4: Simplify right side
    30,809.07x = 1,020,232,636.66
  5. Step 5: Solve for x
    x = 1,020,232,636.66/30,809.07
  6. Step 6: Final answer
    x = 33,114.68

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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.