Home / 55,797.19-77,000.12-30,646.69

Finding the Fourth Proportional to 55,797.19, 77,000.12 and 30,646.69

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Solution

The fourth proportional to 55,797.19, 77,000.12 and 30,646.69 is: 42,292.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,797.19 : 77,000.12 = 30,646.69 : x
  2. Step 2: Convert to fraction form
    55,797.19/77,000.12 = 30,646.69/x
  3. Step 3: Cross multiply
    55,797.19x = 77,000.12 × 30,646.69
  4. Step 4: Simplify right side
    55,797.19x = 2,359,798,576.79
  5. Step 5: Solve for x
    x = 2,359,798,576.79/55,797.19
  6. Step 6: Final answer
    x = 42,292.43

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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.