Home / 42,284.16-63,343.68-20,065.92

Finding the Fourth Proportional to 42,284.16, 63,343.68 and 20,065.92

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Solution

The fourth proportional to 42,284.16, 63,343.68 and 20,065.92 is: 30,059.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,284.16 : 63,343.68 = 20,065.92 : x
  2. Step 2: Convert to fraction form
    42,284.16/63,343.68 = 20,065.92/x
  3. Step 3: Cross multiply
    42,284.16x = 63,343.68 × 20,065.92
  4. Step 4: Simplify right side
    42,284.16x = 1,271,049,215.39
  5. Step 5: Solve for x
    x = 1,271,049,215.39/42,284.16
  6. Step 6: Final answer
    x = 30,059.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.