Home / 55,793.63-76,995.81-30,643.13

Finding the Fourth Proportional to 55,793.63, 76,995.81 and 30,643.13

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Solution

The fourth proportional to 55,793.63, 76,995.81 and 30,643.13 is: 42,287.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,793.63 : 76,995.81 = 30,643.13 : x
  2. Step 2: Convert to fraction form
    55,793.63/76,995.81 = 30,643.13/x
  3. Step 3: Cross multiply
    55,793.63x = 76,995.81 × 30,643.13
  4. Step 4: Simplify right side
    55,793.63x = 2,359,392,615.29
  5. Step 5: Solve for x
    x = 2,359,392,615.29/55,793.63
  6. Step 6: Final answer
    x = 42,287.85

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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.