Home / 45,875.45-68,804.98-12,591.13

Finding the Fourth Proportional to 45,875.45, 68,804.98 and 12,591.13

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Solution

The fourth proportional to 45,875.45, 68,804.98 and 12,591.13 is: 18,884.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,875.45 : 68,804.98 = 12,591.13 : x
  2. Step 2: Convert to fraction form
    45,875.45/68,804.98 = 12,591.13/x
  3. Step 3: Cross multiply
    45,875.45x = 68,804.98 × 12,591.13
  4. Step 4: Simplify right side
    45,875.45x = 866,332,447.83
  5. Step 5: Solve for x
    x = 866,332,447.83/45,875.45
  6. Step 6: Final answer
    x = 18,884.45

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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.