Home / 30,423.77-42,199.59-29,614.58

Finding the Fourth Proportional to 30,423.77, 42,199.59 and 29,614.58

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Solution

The fourth proportional to 30,423.77, 42,199.59 and 29,614.58 is: 41,077.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,423.77 : 42,199.59 = 29,614.58 : x
  2. Step 2: Convert to fraction form
    30,423.77/42,199.59 = 29,614.58/x
  3. Step 3: Cross multiply
    30,423.77x = 42,199.59 × 29,614.58
  4. Step 4: Simplify right side
    30,423.77x = 1,249,722,923.02
  5. Step 5: Solve for x
    x = 1,249,722,923.02/30,423.77
  6. Step 6: Final answer
    x = 41,077.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.