Home / 31,597.59-47,383.23-12,864.91

Finding the Fourth Proportional to 31,597.59, 47,383.23 and 12,864.91

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Solution

The fourth proportional to 31,597.59, 47,383.23 and 12,864.91 is: 19,292.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,597.59 : 47,383.23 = 12,864.91 : x
  2. Step 2: Convert to fraction form
    31,597.59/47,383.23 = 12,864.91/x
  3. Step 3: Cross multiply
    31,597.59x = 47,383.23 × 12,864.91
  4. Step 4: Simplify right side
    31,597.59x = 609,580,989.46
  5. Step 5: Solve for x
    x = 609,580,989.46/31,597.59
  6. Step 6: Final answer
    x = 19,292.01

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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.