Home / 55,496.55-76,582.98-31,621.20

Finding the Fourth Proportional to 55,496.55, 76,582.98 and 31,621.20

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Solution

The fourth proportional to 55,496.55, 76,582.98 and 31,621.20 is: 43,635.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,496.55 : 76,582.98 = 31,621.20 : x
  2. Step 2: Convert to fraction form
    55,496.55/76,582.98 = 31,621.20/x
  3. Step 3: Cross multiply
    55,496.55x = 76,582.98 × 31,621.20
  4. Step 4: Simplify right side
    55,496.55x = 2,421,645,727.18
  5. Step 5: Solve for x
    x = 2,421,645,727.18/55,496.55
  6. Step 6: Final answer
    x = 43,635.97

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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.