Home / 47,004.75-70,510.77-15,840

Finding the Fourth Proportional to 47,004.75, 70,510.77 and 15,840

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Solution

The fourth proportional to 47,004.75, 70,510.77 and 15,840 is: 23,761.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,004.75 : 70,510.77 = 15,840 : x
  2. Step 2: Convert to fraction form
    47,004.75/70,510.77 = 15,840/x
  3. Step 3: Cross multiply
    47,004.75x = 70,510.77 × 15,840
  4. Step 4: Simplify right side
    47,004.75x = 1,116,890,596.80
  5. Step 5: Solve for x
    x = 1,116,890,596.80/47,004.75
  6. Step 6: Final answer
    x = 23,761.23

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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.