Home / 55,018-75,924.66-29,867.32

Finding the Fourth Proportional to 55,018, 75,924.66 and 29,867.32

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Solution

The fourth proportional to 55,018, 75,924.66 and 29,867.32 is: 41,216.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,018 : 75,924.66 = 29,867.32 : x
  2. Step 2: Convert to fraction form
    55,018/75,924.66 = 29,867.32/x
  3. Step 3: Cross multiply
    55,018x = 75,924.66 × 29,867.32
  4. Step 4: Simplify right side
    55,018x = 2,267,666,116.11
  5. Step 5: Solve for x
    x = 2,267,666,116.11/55,018
  6. Step 6: Final answer
    x = 41,216.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.