Home / 31,965.64-47,967.18-17,957.32

Finding the Fourth Proportional to 31,965.64, 47,967.18 and 17,957.32

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Solution

The fourth proportional to 31,965.64, 47,967.18 and 17,957.32 is: 26,946.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,965.64 : 47,967.18 = 17,957.32 : x
  2. Step 2: Convert to fraction form
    31,965.64/47,967.18 = 17,957.32/x
  3. Step 3: Cross multiply
    31,965.64x = 47,967.18 × 17,957.32
  4. Step 4: Simplify right side
    31,965.64x = 861,362,000.76
  5. Step 5: Solve for x
    x = 861,362,000.76/31,965.64
  6. Step 6: Final answer
    x = 26,946.50

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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.