Home / 55,430.16-76,493.62-30,279.66

Finding the Fourth Proportional to 55,430.16, 76,493.62 and 30,279.66

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Solution

The fourth proportional to 55,430.16, 76,493.62 and 30,279.66 is: 41,785.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,430.16 : 76,493.62 = 30,279.66 : x
  2. Step 2: Convert to fraction form
    55,430.16/76,493.62 = 30,279.66/x
  3. Step 3: Cross multiply
    55,430.16x = 76,493.62 × 30,279.66
  4. Step 4: Simplify right side
    55,430.16x = 2,316,200,881.47
  5. Step 5: Solve for x
    x = 2,316,200,881.47/55,430.16
  6. Step 6: Final answer
    x = 41,785.93

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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.