Home / 45,095.84-67,643.70-18,090.38

Finding the Fourth Proportional to 45,095.84, 67,643.70 and 18,090.38

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Solution

The fourth proportional to 45,095.84, 67,643.70 and 18,090.38 is: 27,135.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,095.84 : 67,643.70 = 18,090.38 : x
  2. Step 2: Convert to fraction form
    45,095.84/67,643.70 = 18,090.38/x
  3. Step 3: Cross multiply
    45,095.84x = 67,643.70 × 18,090.38
  4. Step 4: Simplify right side
    45,095.84x = 1,223,700,237.61
  5. Step 5: Solve for x
    x = 1,223,700,237.61/45,095.84
  6. Step 6: Final answer
    x = 27,135.55

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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.