Home / 55,655.60-76,804.76-30,162.20

Finding the Fourth Proportional to 55,655.60, 76,804.76 and 30,162.20

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Solution

The fourth proportional to 55,655.60, 76,804.76 and 30,162.20 is: 41,623.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,655.60 : 76,804.76 = 30,162.20 : x
  2. Step 2: Convert to fraction form
    55,655.60/76,804.76 = 30,162.20/x
  3. Step 3: Cross multiply
    55,655.60x = 76,804.76 × 30,162.20
  4. Step 4: Simplify right side
    55,655.60x = 2,316,600,532.07
  5. Step 5: Solve for x
    x = 2,316,600,532.07/55,655.60
  6. Step 6: Final answer
    x = 41,623.85

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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.