Home / 55,430.01-76,493.30-30,279.51

Finding the Fourth Proportional to 55,430.01, 76,493.30 and 30,279.51

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Solution

The fourth proportional to 55,430.01, 76,493.30 and 30,279.51 is: 41,785.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,430.01 : 76,493.30 = 30,279.51 : x
  2. Step 2: Convert to fraction form
    55,430.01/76,493.30 = 30,279.51/x
  3. Step 3: Cross multiply
    55,430.01x = 76,493.30 × 30,279.51
  4. Step 4: Simplify right side
    55,430.01x = 2,316,179,490.89
  5. Step 5: Solve for x
    x = 2,316,179,490.89/55,430.01
  6. Step 6: Final answer
    x = 41,785.66

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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.