Home / 53,478.64-73,808.31-30,813.25

Finding the Fourth Proportional to 53,478.64, 73,808.31 and 30,813.25

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Solution

The fourth proportional to 53,478.64, 73,808.31 and 30,813.25 is: 42,526.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,478.64 : 73,808.31 = 30,813.25 : x
  2. Step 2: Convert to fraction form
    53,478.64/73,808.31 = 30,813.25/x
  3. Step 3: Cross multiply
    53,478.64x = 73,808.31 × 30,813.25
  4. Step 4: Simplify right side
    53,478.64x = 2,274,273,908.11
  5. Step 5: Solve for x
    x = 2,274,273,908.11/53,478.64
  6. Step 6: Final answer
    x = 42,526.77

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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.