Home / 45,188.99-67,695.26-21,462.77

Finding the Fourth Proportional to 45,188.99, 67,695.26 and 21,462.77

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Solution

The fourth proportional to 45,188.99, 67,695.26 and 21,462.77 is: 32,152.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,188.99 : 67,695.26 = 21,462.77 : x
  2. Step 2: Convert to fraction form
    45,188.99/67,695.26 = 21,462.77/x
  3. Step 3: Cross multiply
    45,188.99x = 67,695.26 × 21,462.77
  4. Step 4: Simplify right side
    45,188.99x = 1,452,927,978.12
  5. Step 5: Solve for x
    x = 1,452,927,978.12/45,188.99
  6. Step 6: Final answer
    x = 32,152.26

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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.