Home / 31,430.40-47,160.96-14,792.09

Finding the Fourth Proportional to 31,430.40, 47,160.96 and 14,792.09

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Solution

The fourth proportional to 31,430.40, 47,160.96 and 14,792.09 is: 22,195.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,430.40 : 47,160.96 = 14,792.09 : x
  2. Step 2: Convert to fraction form
    31,430.40/47,160.96 = 14,792.09/x
  3. Step 3: Cross multiply
    31,430.40x = 47,160.96 × 14,792.09
  4. Step 4: Simplify right side
    31,430.40x = 697,608,929.00
  5. Step 5: Solve for x
    x = 697,608,929.00/31,430.40
  6. Step 6: Final answer
    x = 22,195.36

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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.