Home / 55,281.69-76,284.99-31,086.32

Finding the Fourth Proportional to 55,281.69, 76,284.99 and 31,086.32

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Solution

The fourth proportional to 55,281.69, 76,284.99 and 31,086.32 is: 42,897.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,281.69 : 76,284.99 = 31,086.32 : x
  2. Step 2: Convert to fraction form
    55,281.69/76,284.99 = 31,086.32/x
  3. Step 3: Cross multiply
    55,281.69x = 76,284.99 × 31,086.32
  4. Step 4: Simplify right side
    55,281.69x = 2,371,419,228.91
  5. Step 5: Solve for x
    x = 2,371,419,228.91/55,281.69
  6. Step 6: Final answer
    x = 42,897.01

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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.