Home / 35,320.84-48,740.06-21,170.94

Finding the Fourth Proportional to 35,320.84, 48,740.06 and 21,170.94

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Solution

The fourth proportional to 35,320.84, 48,740.06 and 21,170.94 is: 29,214.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,320.84 : 48,740.06 = 21,170.94 : x
  2. Step 2: Convert to fraction form
    35,320.84/48,740.06 = 21,170.94/x
  3. Step 3: Cross multiply
    35,320.84x = 48,740.06 × 21,170.94
  4. Step 4: Simplify right side
    35,320.84x = 1,031,872,885.86
  5. Step 5: Solve for x
    x = 1,031,872,885.86/35,320.84
  6. Step 6: Final answer
    x = 29,214.28

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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.