Home / 35,802.89-53,704.88-12,430.07

Finding the Fourth Proportional to 35,802.89, 53,704.88 and 12,430.07

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Solution

The fourth proportional to 35,802.89, 53,704.88 and 12,430.07 is: 18,645.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,802.89 : 53,704.88 = 12,430.07 : x
  2. Step 2: Convert to fraction form
    35,802.89/53,704.88 = 12,430.07/x
  3. Step 3: Cross multiply
    35,802.89x = 53,704.88 × 12,430.07
  4. Step 4: Simplify right side
    35,802.89x = 667,555,417.74
  5. Step 5: Solve for x
    x = 667,555,417.74/35,802.89
  6. Step 6: Final answer
    x = 18,645.29

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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.