Home / 55,280.26-76,289.44-31,088.84

Finding the Fourth Proportional to 55,280.26, 76,289.44 and 31,088.84

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Solution

The fourth proportional to 55,280.26, 76,289.44 and 31,088.84 is: 42,904.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,280.26 : 76,289.44 = 31,088.84 : x
  2. Step 2: Convert to fraction form
    55,280.26/76,289.44 = 31,088.84/x
  3. Step 3: Cross multiply
    55,280.26x = 76,289.44 × 31,088.84
  4. Step 4: Simplify right side
    55,280.26x = 2,371,750,193.85
  5. Step 5: Solve for x
    x = 2,371,750,193.85/55,280.26
  6. Step 6: Final answer
    x = 42,904.11

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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.