Home / 42,742.32-58,939.08-29,333.16

Finding the Fourth Proportional to 42,742.32, 58,939.08 and 29,333.16

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Solution

The fourth proportional to 42,742.32, 58,939.08 and 29,333.16 is: 40,448.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,742.32 : 58,939.08 = 29,333.16 : x
  2. Step 2: Convert to fraction form
    42,742.32/58,939.08 = 29,333.16/x
  3. Step 3: Cross multiply
    42,742.32x = 58,939.08 × 29,333.16
  4. Step 4: Simplify right side
    42,742.32x = 1,728,869,463.89
  5. Step 5: Solve for x
    x = 1,728,869,463.89/42,742.32
  6. Step 6: Final answer
    x = 40,448.66

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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.