Home / 53,093.40-73,263.06-30,438.51

Finding the Fourth Proportional to 53,093.40, 73,263.06 and 30,438.51

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Solution

The fourth proportional to 53,093.40, 73,263.06 and 30,438.51 is: 42,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,093.40 : 73,263.06 = 30,438.51 : x
  2. Step 2: Convert to fraction form
    53,093.40/73,263.06 = 30,438.51/x
  3. Step 3: Cross multiply
    53,093.40x = 73,263.06 × 30,438.51
  4. Step 4: Simplify right side
    53,093.40x = 2,230,018,384.44
  5. Step 5: Solve for x
    x = 2,230,018,384.44/53,093.40
  6. Step 6: Final answer
    x = 42,001.80

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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.