Home / 34,528.84-47,648.38-20,386.24

Finding the Fourth Proportional to 34,528.84, 47,648.38 and 20,386.24

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Solution

The fourth proportional to 34,528.84, 47,648.38 and 20,386.24 is: 28,132.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,528.84 : 47,648.38 = 20,386.24 : x
  2. Step 2: Convert to fraction form
    34,528.84/47,648.38 = 20,386.24/x
  3. Step 3: Cross multiply
    34,528.84x = 47,648.38 × 20,386.24
  4. Step 4: Simplify right side
    34,528.84x = 971,371,310.29
  5. Step 5: Solve for x
    x = 971,371,310.29/34,528.84
  6. Step 6: Final answer
    x = 28,132.17

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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.