Home / 53,363.12-79,870.91-39,317.54

Finding the Fourth Proportional to 53,363.12, 79,870.91 and 39,317.54

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Solution

The fourth proportional to 53,363.12, 79,870.91 and 39,317.54 is: 58,848.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,363.12 : 79,870.91 = 39,317.54 : x
  2. Step 2: Convert to fraction form
    53,363.12/79,870.91 = 39,317.54/x
  3. Step 3: Cross multiply
    53,363.12x = 79,870.91 × 39,317.54
  4. Step 4: Simplify right side
    53,363.12x = 3,140,327,102.82
  5. Step 5: Solve for x
    x = 3,140,327,102.82/53,363.12
  6. Step 6: Final answer
    x = 58,848.27

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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.