Home / 53,333.84-73,610.96-30,688.08

Finding the Fourth Proportional to 53,333.84, 73,610.96 and 30,688.08

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Solution

The fourth proportional to 53,333.84, 73,610.96 and 30,688.08 is: 42,355.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,333.84 : 73,610.96 = 30,688.08 : x
  2. Step 2: Convert to fraction form
    53,333.84/73,610.96 = 30,688.08/x
  3. Step 3: Cross multiply
    53,333.84x = 73,610.96 × 30,688.08
  4. Step 4: Simplify right side
    53,333.84x = 2,258,979,029.36
  5. Step 5: Solve for x
    x = 2,258,979,029.36/53,333.84
  6. Step 6: Final answer
    x = 42,355.45

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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.