Home / 51,132.63-70,582.29-29,918.73

Finding the Fourth Proportional to 51,132.63, 70,582.29 and 29,918.73

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Solution

The fourth proportional to 51,132.63, 70,582.29 and 29,918.73 is: 41,299.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,132.63 : 70,582.29 = 29,918.73 : x
  2. Step 2: Convert to fraction form
    51,132.63/70,582.29 = 29,918.73/x
  3. Step 3: Cross multiply
    51,132.63x = 70,582.29 × 29,918.73
  4. Step 4: Simplify right side
    51,132.63x = 2,111,732,477.29
  5. Step 5: Solve for x
    x = 2,111,732,477.29/51,132.63
  6. Step 6: Final answer
    x = 41,299.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.