Home / 54,597.16-75,335.43-30,719.17

Finding the Fourth Proportional to 54,597.16, 75,335.43 and 30,719.17

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Solution

The fourth proportional to 54,597.16, 75,335.43 and 30,719.17 is: 42,387.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,597.16 : 75,335.43 = 30,719.17 : x
  2. Step 2: Convert to fraction form
    54,597.16/75,335.43 = 30,719.17/x
  3. Step 3: Cross multiply
    54,597.16x = 75,335.43 × 30,719.17
  4. Step 4: Simplify right side
    54,597.16x = 2,314,241,881.19
  5. Step 5: Solve for x
    x = 2,314,241,881.19/54,597.16
  6. Step 6: Final answer
    x = 42,387.59

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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.