Home / 54,419.04-81,602.64-19,349.28

Finding the Fourth Proportional to 54,419.04, 81,602.64 and 19,349.28

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Solution

The fourth proportional to 54,419.04, 81,602.64 and 19,349.28 is: 29,014.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,419.04 : 81,602.64 = 19,349.28 : x
  2. Step 2: Convert to fraction form
    54,419.04/81,602.64 = 19,349.28/x
  3. Step 3: Cross multiply
    54,419.04x = 81,602.64 × 19,349.28
  4. Step 4: Simplify right side
    54,419.04x = 1,578,952,330.10
  5. Step 5: Solve for x
    x = 1,578,952,330.10/54,419.04
  6. Step 6: Final answer
    x = 29,014.70

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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.