Home / 35,828.42-53,752.35-12,456.68

Finding the Fourth Proportional to 35,828.42, 53,752.35 and 12,456.68

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Solution

The fourth proportional to 35,828.42, 53,752.35 and 12,456.68 is: 18,688.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,828.42 : 53,752.35 = 12,456.68 : x
  2. Step 2: Convert to fraction form
    35,828.42/53,752.35 = 12,456.68/x
  3. Step 3: Cross multiply
    35,828.42x = 53,752.35 × 12,456.68
  4. Step 4: Simplify right side
    35,828.42x = 669,575,823.20
  5. Step 5: Solve for x
    x = 669,575,823.20/35,828.42
  6. Step 6: Final answer
    x = 18,688.40

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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.