Home / 45,655.95-68,483.92-12,376.01

Finding the Fourth Proportional to 45,655.95, 68,483.92 and 12,376.01

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Solution

The fourth proportional to 45,655.95, 68,483.92 and 12,376.01 is: 18,564.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,655.95 : 68,483.92 = 12,376.01 : x
  2. Step 2: Convert to fraction form
    45,655.95/68,483.92 = 12,376.01/x
  3. Step 3: Cross multiply
    45,655.95x = 68,483.92 × 12,376.01
  4. Step 4: Simplify right side
    45,655.95x = 847,557,546.74
  5. Step 5: Solve for x
    x = 847,557,546.74/45,655.95
  6. Step 6: Final answer
    x = 18,564.01

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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.