Home / 38,303.10-57,454.65-12,007.80

Finding the Fourth Proportional to 38,303.10, 57,454.65 and 12,007.80

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Solution

The fourth proportional to 38,303.10, 57,454.65 and 12,007.80 is: 18,011.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,303.10 : 57,454.65 = 12,007.80 : x
  2. Step 2: Convert to fraction form
    38,303.10/57,454.65 = 12,007.80/x
  3. Step 3: Cross multiply
    38,303.10x = 57,454.65 × 12,007.80
  4. Step 4: Simplify right side
    38,303.10x = 689,903,946.27
  5. Step 5: Solve for x
    x = 689,903,946.27/38,303.10
  6. Step 6: Final answer
    x = 18,011.70

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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.