Home / 42,612.66-58,809.63-31,838.84

Finding the Fourth Proportional to 42,612.66, 58,809.63 and 31,838.84

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Solution

The fourth proportional to 42,612.66, 58,809.63 and 31,838.84 is: 43,940.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,612.66 : 58,809.63 = 31,838.84 : x
  2. Step 2: Convert to fraction form
    42,612.66/58,809.63 = 31,838.84/x
  3. Step 3: Cross multiply
    42,612.66x = 58,809.63 × 31,838.84
  4. Step 4: Simplify right side
    42,612.66x = 1,872,429,946.79
  5. Step 5: Solve for x
    x = 1,872,429,946.79/42,612.66
  6. Step 6: Final answer
    x = 43,940.70

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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.