Home / 30,440.58-42,007.87-17,011.83

Finding the Fourth Proportional to 30,440.58, 42,007.87 and 17,011.83

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Solution

The fourth proportional to 30,440.58, 42,007.87 and 17,011.83 is: 23,476.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,440.58 : 42,007.87 = 17,011.83 : x
  2. Step 2: Convert to fraction form
    30,440.58/42,007.87 = 17,011.83/x
  3. Step 3: Cross multiply
    30,440.58x = 42,007.87 × 17,011.83
  4. Step 4: Simplify right side
    30,440.58x = 714,630,533.06
  5. Step 5: Solve for x
    x = 714,630,533.06/30,440.58
  6. Step 6: Final answer
    x = 23,476.25

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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.