Home / 48,283.83-72,383.90-18,681.30

Finding the Fourth Proportional to 48,283.83, 72,383.90 and 18,681.30

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Solution

The fourth proportional to 48,283.83, 72,383.90 and 18,681.30 is: 28,005.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,283.83 : 72,383.90 = 18,681.30 : x
  2. Step 2: Convert to fraction form
    48,283.83/72,383.90 = 18,681.30/x
  3. Step 3: Cross multiply
    48,283.83x = 72,383.90 × 18,681.30
  4. Step 4: Simplify right side
    48,283.83x = 1,352,225,257.66
  5. Step 5: Solve for x
    x = 1,352,225,257.66/48,283.83
  6. Step 6: Final answer
    x = 28,005.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.