Home / 53,683.29-80,499.64-19,925.92

Finding the Fourth Proportional to 53,683.29, 80,499.64 and 19,925.92

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Solution

The fourth proportional to 53,683.29, 80,499.64 and 19,925.92 is: 29,879.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,683.29 : 80,499.64 = 19,925.92 : x
  2. Step 2: Convert to fraction form
    53,683.29/80,499.64 = 19,925.92/x
  3. Step 3: Cross multiply
    53,683.29x = 80,499.64 × 19,925.92
  4. Step 4: Simplify right side
    53,683.29x = 1,604,029,386.67
  5. Step 5: Solve for x
    x = 1,604,029,386.67/53,683.29
  6. Step 6: Final answer
    x = 29,879.49

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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.