Home / 53,116.08-79,674.32-19,835.79

Finding the Fourth Proportional to 53,116.08, 79,674.32 and 19,835.79

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Solution

The fourth proportional to 53,116.08, 79,674.32 and 19,835.79 is: 29,753.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,116.08 : 79,674.32 = 19,835.79 : x
  2. Step 2: Convert to fraction form
    53,116.08/79,674.32 = 19,835.79/x
  3. Step 3: Cross multiply
    53,116.08x = 79,674.32 × 19,835.79
  4. Step 4: Simplify right side
    53,116.08x = 1,580,402,980.73
  5. Step 5: Solve for x
    x = 1,580,402,980.73/53,116.08
  6. Step 6: Final answer
    x = 29,753.76

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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.