Home / 54,018.55-74,536.68-30,145.16

Finding the Fourth Proportional to 54,018.55, 74,536.68 and 30,145.16

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Solution

The fourth proportional to 54,018.55, 74,536.68 and 30,145.16 is: 41,595.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,018.55 : 74,536.68 = 30,145.16 : x
  2. Step 2: Convert to fraction form
    54,018.55/74,536.68 = 30,145.16/x
  3. Step 3: Cross multiply
    54,018.55x = 74,536.68 × 30,145.16
  4. Step 4: Simplify right side
    54,018.55x = 2,246,920,330.81
  5. Step 5: Solve for x
    x = 2,246,920,330.81/54,018.55
  6. Step 6: Final answer
    x = 41,595.35

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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.