Home / 53,035.30-79,543.23-21,443.68

Finding the Fourth Proportional to 53,035.30, 79,543.23 and 21,443.68

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Solution

The fourth proportional to 53,035.30, 79,543.23 and 21,443.68 is: 32,161.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,035.30 : 79,543.23 = 21,443.68 : x
  2. Step 2: Convert to fraction form
    53,035.30/79,543.23 = 21,443.68/x
  3. Step 3: Cross multiply
    53,035.30x = 79,543.23 × 21,443.68
  4. Step 4: Simplify right side
    53,035.30x = 1,705,699,570.29
  5. Step 5: Solve for x
    x = 1,705,699,570.29/53,035.30
  6. Step 6: Final answer
    x = 32,161.59

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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.