Home / 31,258.11-43,136.64-17,646.84

Finding the Fourth Proportional to 31,258.11, 43,136.64 and 17,646.84

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Solution

The fourth proportional to 31,258.11, 43,136.64 and 17,646.84 is: 24,352.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,258.11 : 43,136.64 = 17,646.84 : x
  2. Step 2: Convert to fraction form
    31,258.11/43,136.64 = 17,646.84/x
  3. Step 3: Cross multiply
    31,258.11x = 43,136.64 × 17,646.84
  4. Step 4: Simplify right side
    31,258.11x = 761,225,384.22
  5. Step 5: Solve for x
    x = 761,225,384.22/31,258.11
  6. Step 6: Final answer
    x = 24,352.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.