Home / 53,588.07-80,316.50-18,486.72

Finding the Fourth Proportional to 53,588.07, 80,316.50 and 18,486.72

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Solution

The fourth proportional to 53,588.07, 80,316.50 and 18,486.72 is: 27,707.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,588.07 : 80,316.50 = 18,486.72 : x
  2. Step 2: Convert to fraction form
    53,588.07/80,316.50 = 18,486.72/x
  3. Step 3: Cross multiply
    53,588.07x = 80,316.50 × 18,486.72
  4. Step 4: Simplify right side
    53,588.07x = 1,484,788,554.45
  5. Step 5: Solve for x
    x = 1,484,788,554.45/53,588.07
  6. Step 6: Final answer
    x = 27,707.45

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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.