Home / 53,045.20-79,598.80-19,788.16

Finding the Fourth Proportional to 53,045.20, 79,598.80 and 19,788.16

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Solution

The fourth proportional to 53,045.20, 79,598.80 and 19,788.16 is: 29,693.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,045.20 : 79,598.80 = 19,788.16 : x
  2. Step 2: Convert to fraction form
    53,045.20/79,598.80 = 19,788.16/x
  3. Step 3: Cross multiply
    53,045.20x = 79,598.80 × 19,788.16
  4. Step 4: Simplify right side
    53,045.20x = 1,575,113,790.21
  5. Step 5: Solve for x
    x = 1,575,113,790.21/53,045.20
  6. Step 6: Final answer
    x = 29,693.80

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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.