Home / 53,534.64-73,888.12-30,888.26

Finding the Fourth Proportional to 53,534.64, 73,888.12 and 30,888.26

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Solution

The fourth proportional to 53,534.64, 73,888.12 and 30,888.26 is: 42,631.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,534.64 : 73,888.12 = 30,888.26 : x
  2. Step 2: Convert to fraction form
    53,534.64/73,888.12 = 30,888.26/x
  3. Step 3: Cross multiply
    53,534.64x = 73,888.12 × 30,888.26
  4. Step 4: Simplify right side
    53,534.64x = 2,282,275,461.47
  5. Step 5: Solve for x
    x = 2,282,275,461.47/53,534.64
  6. Step 6: Final answer
    x = 42,631.75

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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.