Home / 55,652.08-76,901.71-40,518.47

Finding the Fourth Proportional to 55,652.08, 76,901.71 and 40,518.47

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Solution

The fourth proportional to 55,652.08, 76,901.71 and 40,518.47 is: 55,989.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,652.08 : 76,901.71 = 40,518.47 : x
  2. Step 2: Convert to fraction form
    55,652.08/76,901.71 = 40,518.47/x
  3. Step 3: Cross multiply
    55,652.08x = 76,901.71 × 40,518.47
  4. Step 4: Simplify right side
    55,652.08x = 3,115,939,629.58
  5. Step 5: Solve for x
    x = 3,115,939,629.58/55,652.08
  6. Step 6: Final answer
    x = 55,989.63

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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.