Home / 76,416.95-114,588.55-32,031.78

Finding the Fourth Proportional to 76,416.95, 114,588.55 and 32,031.78

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Solution

The fourth proportional to 76,416.95, 114,588.55 and 32,031.78 is: 48,032.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,416.95 : 114,588.55 = 32,031.78 : x
  2. Step 2: Convert to fraction form
    76,416.95/114,588.55 = 32,031.78/x
  3. Step 3: Cross multiply
    76,416.95x = 114,588.55 × 32,031.78
  4. Step 4: Simplify right side
    76,416.95x = 3,670,475,224.12
  5. Step 5: Solve for x
    x = 3,670,475,224.12/76,416.95
  6. Step 6: Final answer
    x = 48,032.21

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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.