Home / 42,995.04-64,463.28-21,883.20

Finding the Fourth Proportional to 42,995.04, 64,463.28 and 21,883.20

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Solution

The fourth proportional to 42,995.04, 64,463.28 and 21,883.20 is: 32,809.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,995.04 : 64,463.28 = 21,883.20 : x
  2. Step 2: Convert to fraction form
    42,995.04/64,463.28 = 21,883.20/x
  3. Step 3: Cross multiply
    42,995.04x = 64,463.28 × 21,883.20
  4. Step 4: Simplify right side
    42,995.04x = 1,410,662,848.90
  5. Step 5: Solve for x
    x = 1,410,662,848.90/42,995.04
  6. Step 6: Final answer
    x = 32,809.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.