Home / 31,430.14-47,160.56-14,791.84

Finding the Fourth Proportional to 31,430.14, 47,160.56 and 14,791.84

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Solution

The fourth proportional to 31,430.14, 47,160.56 and 14,791.84 is: 22,194.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,430.14 : 47,160.56 = 14,791.84 : x
  2. Step 2: Convert to fraction form
    31,430.14/47,160.56 = 14,791.84/x
  3. Step 3: Cross multiply
    31,430.14x = 47,160.56 × 14,791.84
  4. Step 4: Simplify right side
    31,430.14x = 697,591,457.83
  5. Step 5: Solve for x
    x = 697,591,457.83/31,430.14
  6. Step 6: Final answer
    x = 22,194.98

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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.