Home / 30,793.32-42,491.77-17,870.58

Finding the Fourth Proportional to 30,793.32, 42,491.77 and 17,870.58

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Solution

The fourth proportional to 30,793.32, 42,491.77 and 17,870.58 is: 24,659.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,793.32 : 42,491.77 = 17,870.58 : x
  2. Step 2: Convert to fraction form
    30,793.32/42,491.77 = 17,870.58/x
  3. Step 3: Cross multiply
    30,793.32x = 42,491.77 × 17,870.58
  4. Step 4: Simplify right side
    30,793.32x = 759,352,835.36
  5. Step 5: Solve for x
    x = 759,352,835.36/30,793.32
  6. Step 6: Final answer
    x = 24,659.66

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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.