Home / 55,411.74-76,459.28-31,538.84

Finding the Fourth Proportional to 55,411.74, 76,459.28 and 31,538.84

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Solution

The fourth proportional to 55,411.74, 76,459.28 and 31,538.84 is: 43,518.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,411.74 : 76,459.28 = 31,538.84 : x
  2. Step 2: Convert to fraction form
    55,411.74/76,459.28 = 31,538.84/x
  3. Step 3: Cross multiply
    55,411.74x = 76,459.28 × 31,538.84
  4. Step 4: Simplify right side
    55,411.74x = 2,411,436,458.44
  5. Step 5: Solve for x
    x = 2,411,436,458.44/55,411.74
  6. Step 6: Final answer
    x = 43,518.51

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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.