Home / 38,946.84-58,428.90-18,159

Finding the Fourth Proportional to 38,946.84, 58,428.90 and 18,159

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Solution

The fourth proportional to 38,946.84, 58,428.90 and 18,159 is: 27,242.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,946.84 : 58,428.90 = 18,159 : x
  2. Step 2: Convert to fraction form
    38,946.84/58,428.90 = 18,159/x
  3. Step 3: Cross multiply
    38,946.84x = 58,428.90 × 18,159
  4. Step 4: Simplify right side
    38,946.84x = 1,061,010,395.10
  5. Step 5: Solve for x
    x = 1,061,010,395.10/38,946.84
  6. Step 6: Final answer
    x = 27,242.53

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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.