Home / 55,815.21-76,939.65-34,265.16

Finding the Fourth Proportional to 55,815.21, 76,939.65 and 34,265.16

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Solution

The fourth proportional to 55,815.21, 76,939.65 and 34,265.16 is: 47,233.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,815.21 : 76,939.65 = 34,265.16 : x
  2. Step 2: Convert to fraction form
    55,815.21/76,939.65 = 34,265.16/x
  3. Step 3: Cross multiply
    55,815.21x = 76,939.65 × 34,265.16
  4. Step 4: Simplify right side
    55,815.21x = 2,636,349,417.59
  5. Step 5: Solve for x
    x = 2,636,349,417.59/55,815.21
  6. Step 6: Final answer
    x = 47,233.53

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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.