Home / 34,897.38-48,158.40-19,785.21

Finding the Fourth Proportional to 34,897.38, 48,158.40 and 19,785.21

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Solution

The fourth proportional to 34,897.38, 48,158.40 and 19,785.21 is: 27,303.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,897.38 : 48,158.40 = 19,785.21 : x
  2. Step 2: Convert to fraction form
    34,897.38/48,158.40 = 19,785.21/x
  3. Step 3: Cross multiply
    34,897.38x = 48,158.40 × 19,785.21
  4. Step 4: Simplify right side
    34,897.38x = 952,824,057.26
  5. Step 5: Solve for x
    x = 952,824,057.26/34,897.38
  6. Step 6: Final answer
    x = 27,303.60

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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.