Home / 54,130.59-81,172.67-18,595.49

Finding the Fourth Proportional to 54,130.59, 81,172.67 and 18,595.49

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Solution

The fourth proportional to 54,130.59, 81,172.67 and 18,595.49 is: 27,885.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,130.59 : 81,172.67 = 18,595.49 : x
  2. Step 2: Convert to fraction form
    54,130.59/81,172.67 = 18,595.49/x
  3. Step 3: Cross multiply
    54,130.59x = 81,172.67 × 18,595.49
  4. Step 4: Simplify right side
    54,130.59x = 1,509,445,074.42
  5. Step 5: Solve for x
    x = 1,509,445,074.42/54,130.59
  6. Step 6: Final answer
    x = 27,885.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.