Home / 48,664.40-72,946.20-26,430.80

Finding the Fourth Proportional to 48,664.40, 72,946.20 and 26,430.80

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Solution

The fourth proportional to 48,664.40, 72,946.20 and 26,430.80 is: 39,618.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,664.40 : 72,946.20 = 26,430.80 : x
  2. Step 2: Convert to fraction form
    48,664.40/72,946.20 = 26,430.80/x
  3. Step 3: Cross multiply
    48,664.40x = 72,946.20 × 26,430.80
  4. Step 4: Simplify right side
    48,664.40x = 1,928,026,422.96
  5. Step 5: Solve for x
    x = 1,928,026,422.96/48,664.40
  6. Step 6: Final answer
    x = 39,618.83

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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.