Home / 54,421.74-75,101.38-30,547.80

Finding the Fourth Proportional to 54,421.74, 75,101.38 and 30,547.80

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Solution

The fourth proportional to 54,421.74, 75,101.38 and 30,547.80 is: 42,155.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,421.74 : 75,101.38 = 30,547.80 : x
  2. Step 2: Convert to fraction form
    54,421.74/75,101.38 = 30,547.80/x
  3. Step 3: Cross multiply
    54,421.74x = 75,101.38 × 30,547.80
  4. Step 4: Simplify right side
    54,421.74x = 2,294,181,859.59
  5. Step 5: Solve for x
    x = 2,294,181,859.59/54,421.74
  6. Step 6: Final answer
    x = 42,155.61

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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.