Home / 48,032.31-72,048.33-12,971.91

Finding the Fourth Proportional to 48,032.31, 72,048.33 and 12,971.91

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Solution

The fourth proportional to 48,032.31, 72,048.33 and 12,971.91 is: 19,457.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,032.31 : 72,048.33 = 12,971.91 : x
  2. Step 2: Convert to fraction form
    48,032.31/72,048.33 = 12,971.91/x
  3. Step 3: Cross multiply
    48,032.31x = 72,048.33 × 12,971.91
  4. Step 4: Simplify right side
    48,032.31x = 934,604,452.41
  5. Step 5: Solve for x
    x = 934,604,452.41/48,032.31
  6. Step 6: Final answer
    x = 19,457.83

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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.