Home / 35,065.74-48,394.20-20,918.58

Finding the Fourth Proportional to 35,065.74, 48,394.20 and 20,918.58

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Solution

The fourth proportional to 35,065.74, 48,394.20 and 20,918.58 is: 28,869.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,065.74 : 48,394.20 = 20,918.58 : x
  2. Step 2: Convert to fraction form
    35,065.74/48,394.20 = 20,918.58/x
  3. Step 3: Cross multiply
    35,065.74x = 48,394.20 × 20,918.58
  4. Step 4: Simplify right side
    35,065.74x = 1,012,337,944.24
  5. Step 5: Solve for x
    x = 1,012,337,944.24/35,065.74
  6. Step 6: Final answer
    x = 28,869.72

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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.