Home / 55,641.24-76,784.09-30,146.90

Finding the Fourth Proportional to 55,641.24, 76,784.09 and 30,146.90

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Solution

The fourth proportional to 55,641.24, 76,784.09 and 30,146.90 is: 41,602.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,641.24 : 76,784.09 = 30,146.90 : x
  2. Step 2: Convert to fraction form
    55,641.24/76,784.09 = 30,146.90/x
  3. Step 3: Cross multiply
    55,641.24x = 76,784.09 × 30,146.90
  4. Step 4: Simplify right side
    55,641.24x = 2,314,801,748.17
  5. Step 5: Solve for x
    x = 2,314,801,748.17/55,641.24
  6. Step 6: Final answer
    x = 41,602.27

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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.