Home / 35,479.28-53,204.28-12,107.60

Finding the Fourth Proportional to 35,479.28, 53,204.28 and 12,107.60

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Solution

The fourth proportional to 35,479.28, 53,204.28 and 12,107.60 is: 18,156.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,479.28 : 53,204.28 = 12,107.60 : x
  2. Step 2: Convert to fraction form
    35,479.28/53,204.28 = 12,107.60/x
  3. Step 3: Cross multiply
    35,479.28x = 53,204.28 × 12,107.60
  4. Step 4: Simplify right side
    35,479.28x = 644,176,140.53
  5. Step 5: Solve for x
    x = 644,176,140.53/35,479.28
  6. Step 6: Final answer
    x = 18,156.40

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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.