Home / 55,758.04-76,980.78-38,756.92

Finding the Fourth Proportional to 55,758.04, 76,980.78 and 38,756.92

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Solution

The fourth proportional to 55,758.04, 76,980.78 and 38,756.92 is: 53,508.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,758.04 : 76,980.78 = 38,756.92 : x
  2. Step 2: Convert to fraction form
    55,758.04/76,980.78 = 38,756.92/x
  3. Step 3: Cross multiply
    55,758.04x = 76,980.78 × 38,756.92
  4. Step 4: Simplify right side
    55,758.04x = 2,983,537,932.00
  5. Step 5: Solve for x
    x = 2,983,537,932.00/55,758.04
  6. Step 6: Final answer
    x = 53,508.66

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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.