Home / 31,574.16-47,365.56-14,043.60

Finding the Fourth Proportional to 31,574.16, 47,365.56 and 14,043.60

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Solution

The fourth proportional to 31,574.16, 47,365.56 and 14,043.60 is: 21,067.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,574.16 : 47,365.56 = 14,043.60 : x
  2. Step 2: Convert to fraction form
    31,574.16/47,365.56 = 14,043.60/x
  3. Step 3: Cross multiply
    31,574.16x = 47,365.56 × 14,043.60
  4. Step 4: Simplify right side
    31,574.16x = 665,182,978.42
  5. Step 5: Solve for x
    x = 665,182,978.42/31,574.16
  6. Step 6: Final answer
    x = 21,067.32

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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.