Home / 34,881.84-48,136.28-18,966.15

Finding the Fourth Proportional to 34,881.84, 48,136.28 and 18,966.15

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Solution

The fourth proportional to 34,881.84, 48,136.28 and 18,966.15 is: 26,172.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,881.84 : 48,136.28 = 18,966.15 : x
  2. Step 2: Convert to fraction form
    34,881.84/48,136.28 = 18,966.15/x
  3. Step 3: Cross multiply
    34,881.84x = 48,136.28 × 18,966.15
  4. Step 4: Simplify right side
    34,881.84x = 912,959,812.09
  5. Step 5: Solve for x
    x = 912,959,812.09/34,881.84
  6. Step 6: Final answer
    x = 26,172.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.