Home / 31,838,548.49-43,924,439.59-20,073,948.31

Finding the Fourth Proportional to 31,838,548.49, 43,924,439.59 and 20,073,948.31

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Solution

The fourth proportional to 31,838,548.49, 43,924,439.59 and 20,073,948.31 is: 27,694,005.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,838,548.49 : 43,924,439.59 = 20,073,948.31 : x
  2. Step 2: Convert to fraction form
    31,838,548.49/43,924,439.59 = 20,073,948.31/x
  3. Step 3: Cross multiply
    31,838,548.49x = 43,924,439.59 × 20,073,948.31
  4. Step 4: Simplify right side
    31,838,548.49x = 881,736,929,875,377.62
  5. Step 5: Solve for x
    x = 881,736,929,875,377.62/31,838,548.49
  6. Step 6: Final answer
    x = 27,694,005.28

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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.