Home / 35,298.69-48,712.35-20,191.52

Finding the Fourth Proportional to 35,298.69, 48,712.35 and 20,191.52

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Solution

The fourth proportional to 35,298.69, 48,712.35 and 20,191.52 is: 27,864.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,298.69 : 48,712.35 = 20,191.52 : x
  2. Step 2: Convert to fraction form
    35,298.69/48,712.35 = 20,191.52/x
  3. Step 3: Cross multiply
    35,298.69x = 48,712.35 × 20,191.52
  4. Step 4: Simplify right side
    35,298.69x = 983,576,145.71
  5. Step 5: Solve for x
    x = 983,576,145.71/35,298.69
  6. Step 6: Final answer
    x = 27,864.38

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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.