Home / 54,756.03-75,564.45-30,878.13

Finding the Fourth Proportional to 54,756.03, 75,564.45 and 30,878.13

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Solution

The fourth proportional to 54,756.03, 75,564.45 and 30,878.13 is: 42,612.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,756.03 : 75,564.45 = 30,878.13 : x
  2. Step 2: Convert to fraction form
    54,756.03/75,564.45 = 30,878.13/x
  3. Step 3: Cross multiply
    54,756.03x = 75,564.45 × 30,878.13
  4. Step 4: Simplify right side
    54,756.03x = 2,333,288,910.48
  5. Step 5: Solve for x
    x = 2,333,288,910.48/54,756.03
  6. Step 6: Final answer
    x = 42,612.46

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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.