Home / 35,488.20-53,228.70-12,114.30

Finding the Fourth Proportional to 35,488.20, 53,228.70 and 12,114.30

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Solution

The fourth proportional to 35,488.20, 53,228.70 and 12,114.30 is: 18,170.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,488.20 : 53,228.70 = 12,114.30 : x
  2. Step 2: Convert to fraction form
    35,488.20/53,228.70 = 12,114.30/x
  3. Step 3: Cross multiply
    35,488.20x = 53,228.70 × 12,114.30
  4. Step 4: Simplify right side
    35,488.20x = 644,828,440.41
  5. Step 5: Solve for x
    x = 644,828,440.41/35,488.20
  6. Step 6: Final answer
    x = 18,170.22

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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.