Home / 39,308.98-58,951.32-13,008.28

Finding the Fourth Proportional to 39,308.98, 58,951.32 and 13,008.28

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Solution

The fourth proportional to 39,308.98, 58,951.32 and 13,008.28 is: 19,508.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,308.98 : 58,951.32 = 13,008.28 : x
  2. Step 2: Convert to fraction form
    39,308.98/58,951.32 = 13,008.28/x
  3. Step 3: Cross multiply
    39,308.98x = 58,951.32 × 13,008.28
  4. Step 4: Simplify right side
    39,308.98x = 766,855,276.93
  5. Step 5: Solve for x
    x = 766,855,276.93/39,308.98
  6. Step 6: Final answer
    x = 19,508.40

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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.