Home / 42,449.62-63,698.34-39,103.51

Finding the Fourth Proportional to 42,449.62, 63,698.34 and 39,103.51

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Solution

The fourth proportional to 42,449.62, 63,698.34 and 39,103.51 is: 58,677.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,449.62 : 63,698.34 = 39,103.51 : x
  2. Step 2: Convert to fraction form
    42,449.62/63,698.34 = 39,103.51/x
  3. Step 3: Cross multiply
    42,449.62x = 63,698.34 × 39,103.51
  4. Step 4: Simplify right side
    42,449.62x = 2,490,828,675.17
  5. Step 5: Solve for x
    x = 2,490,828,675.17/42,449.62
  6. Step 6: Final answer
    x = 58,677.29

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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.