Home / 55,018.71-75,924.54-31,151.25

Finding the Fourth Proportional to 55,018.71, 75,924.54 and 31,151.25

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Solution

The fourth proportional to 55,018.71, 75,924.54 and 31,151.25 is: 42,988.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,018.71 : 75,924.54 = 31,151.25 : x
  2. Step 2: Convert to fraction form
    55,018.71/75,924.54 = 31,151.25/x
  3. Step 3: Cross multiply
    55,018.71x = 75,924.54 × 31,151.25
  4. Step 4: Simplify right side
    55,018.71x = 2,365,144,326.68
  5. Step 5: Solve for x
    x = 2,365,144,326.68/55,018.71
  6. Step 6: Final answer
    x = 42,988.00

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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.