Home / 51,693.99-77,548.27-18,406.93

Finding the Fourth Proportional to 51,693.99, 77,548.27 and 18,406.93

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Solution

The fourth proportional to 51,693.99, 77,548.27 and 18,406.93 is: 27,612.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,693.99 : 77,548.27 = 18,406.93 : x
  2. Step 2: Convert to fraction form
    51,693.99/77,548.27 = 18,406.93/x
  3. Step 3: Cross multiply
    51,693.99x = 77,548.27 × 18,406.93
  4. Step 4: Simplify right side
    51,693.99x = 1,427,425,577.51
  5. Step 5: Solve for x
    x = 1,427,425,577.51/51,693.99
  6. Step 6: Final answer
    x = 27,612.99

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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.