Home / 48,032.30-72,048.39-12,971.91

Finding the Fourth Proportional to 48,032.30, 72,048.39 and 12,971.91

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Solution

The fourth proportional to 48,032.30, 72,048.39 and 12,971.91 is: 19,457.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,032.30 : 72,048.39 = 12,971.91 : x
  2. Step 2: Convert to fraction form
    48,032.30/72,048.39 = 12,971.91/x
  3. Step 3: Cross multiply
    48,032.30x = 72,048.39 × 12,971.91
  4. Step 4: Simplify right side
    48,032.30x = 934,605,230.72
  5. Step 5: Solve for x
    x = 934,605,230.72/48,032.30
  6. Step 6: Final answer
    x = 19,457.85

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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.