Home / 58,074.95-87,118.91-18,618.23

Finding the Fourth Proportional to 58,074.95, 87,118.91 and 18,618.23

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Solution

The fourth proportional to 58,074.95, 87,118.91 and 18,618.23 is: 27,929.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,074.95 : 87,118.91 = 18,618.23 : x
  2. Step 2: Convert to fraction form
    58,074.95/87,118.91 = 18,618.23/x
  3. Step 3: Cross multiply
    58,074.95x = 87,118.91 × 18,618.23
  4. Step 4: Simplify right side
    58,074.95x = 1,621,999,903.73
  5. Step 5: Solve for x
    x = 1,621,999,903.73/58,074.95
  6. Step 6: Final answer
    x = 27,929.42

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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.