Home / 55,776.16-76,971.60-30,625.84

Finding the Fourth Proportional to 55,776.16, 76,971.60 and 30,625.84

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Solution

The fourth proportional to 55,776.16, 76,971.60 and 30,625.84 is: 42,263.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,776.16 : 76,971.60 = 30,625.84 : x
  2. Step 2: Convert to fraction form
    55,776.16/76,971.60 = 30,625.84/x
  3. Step 3: Cross multiply
    55,776.16x = 76,971.60 × 30,625.84
  4. Step 4: Simplify right side
    55,776.16x = 2,357,319,906.14
  5. Step 5: Solve for x
    x = 2,357,319,906.14/55,776.16
  6. Step 6: Final answer
    x = 42,263.93

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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.