Home / 31,359.62-47,014.77-21,468.92

Finding the Fourth Proportional to 31,359.62, 47,014.77 and 21,468.92

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Solution

The fourth proportional to 31,359.62, 47,014.77 and 21,468.92 is: 32,186.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,359.62 : 47,014.77 = 21,468.92 : x
  2. Step 2: Convert to fraction form
    31,359.62/47,014.77 = 21,468.92/x
  3. Step 3: Cross multiply
    31,359.62x = 47,014.77 × 21,468.92
  4. Step 4: Simplify right side
    31,359.62x = 1,009,356,335.95
  5. Step 5: Solve for x
    x = 1,009,356,335.95/31,359.62
  6. Step 6: Final answer
    x = 32,186.50

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1.5x scale

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.