Home / 55,835.28-77,052.66-30,684.78

Finding the Fourth Proportional to 55,835.28, 77,052.66 and 30,684.78

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Solution

The fourth proportional to 55,835.28, 77,052.66 and 30,684.78 is: 42,344.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,835.28 : 77,052.66 = 30,684.78 : x
  2. Step 2: Convert to fraction form
    55,835.28/77,052.66 = 30,684.78/x
  3. Step 3: Cross multiply
    55,835.28x = 77,052.66 × 30,684.78
  4. Step 4: Simplify right side
    55,835.28x = 2,364,343,920.51
  5. Step 5: Solve for x
    x = 2,364,343,920.51/55,835.28
  6. Step 6: Final answer
    x = 42,344.98

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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.