Home / 31,507.59-47,261.40-21,616.89

Finding the Fourth Proportional to 31,507.59, 47,261.40 and 21,616.89

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Solution

The fourth proportional to 31,507.59, 47,261.40 and 21,616.89 is: 32,425.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,507.59 : 47,261.40 = 21,616.89 : x
  2. Step 2: Convert to fraction form
    31,507.59/47,261.40 = 21,616.89/x
  3. Step 3: Cross multiply
    31,507.59x = 47,261.40 × 21,616.89
  4. Step 4: Simplify right side
    31,507.59x = 1,021,644,485.05
  5. Step 5: Solve for x
    x = 1,021,644,485.05/31,507.59
  6. Step 6: Final answer
    x = 32,425.35

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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.