Home / 31,646.21-47,427.80-23,287.09

Finding the Fourth Proportional to 31,646.21, 47,427.80 and 23,287.09

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Solution

The fourth proportional to 31,646.21, 47,427.80 and 23,287.09 is: 34,900.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,646.21 : 47,427.80 = 23,287.09 : x
  2. Step 2: Convert to fraction form
    31,646.21/47,427.80 = 23,287.09/x
  3. Step 3: Cross multiply
    31,646.21x = 47,427.80 × 23,287.09
  4. Step 4: Simplify right side
    31,646.21x = 1,104,455,212.10
  5. Step 5: Solve for x
    x = 1,104,455,212.10/31,646.21
  6. Step 6: Final answer
    x = 34,900.08

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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.