Home / 31,740.39-47,611.26-10,681.07

Finding the Fourth Proportional to 31,740.39, 47,611.26 and 10,681.07

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Solution

The fourth proportional to 31,740.39, 47,611.26 and 10,681.07 is: 16,021.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,740.39 : 47,611.26 = 10,681.07 : x
  2. Step 2: Convert to fraction form
    31,740.39/47,611.26 = 10,681.07/x
  3. Step 3: Cross multiply
    31,740.39x = 47,611.26 × 10,681.07
  4. Step 4: Simplify right side
    31,740.39x = 508,538,962.79
  5. Step 5: Solve for x
    x = 508,538,962.79/31,740.39
  6. Step 6: Final answer
    x = 16,021.82

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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.