Home / 53,665.05-74,019.30-33,240.51

Finding the Fourth Proportional to 53,665.05, 74,019.30 and 33,240.51

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Solution

The fourth proportional to 53,665.05, 74,019.30 and 33,240.51 is: 45,848.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,665.05 : 74,019.30 = 33,240.51 : x
  2. Step 2: Convert to fraction form
    53,665.05/74,019.30 = 33,240.51/x
  3. Step 3: Cross multiply
    53,665.05x = 74,019.30 × 33,240.51
  4. Step 4: Simplify right side
    53,665.05x = 2,460,439,281.84
  5. Step 5: Solve for x
    x = 2,460,439,281.84/53,665.05
  6. Step 6: Final answer
    x = 45,848.08

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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.