Home / 31,574.28-47,320.40-12,832.50

Finding the Fourth Proportional to 31,574.28, 47,320.40 and 12,832.50

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Solution

The fourth proportional to 31,574.28, 47,320.40 and 12,832.50 is: 19,232.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,574.28 : 47,320.40 = 12,832.50 : x
  2. Step 2: Convert to fraction form
    31,574.28/47,320.40 = 12,832.50/x
  3. Step 3: Cross multiply
    31,574.28x = 47,320.40 × 12,832.50
  4. Step 4: Simplify right side
    31,574.28x = 607,239,109.44
  5. Step 5: Solve for x
    x = 607,239,109.44/31,574.28
  6. Step 6: Final answer
    x = 19,232.08

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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.