Home / 43,174.16-64,772.04-13,590.80

Finding the Fourth Proportional to 43,174.16, 64,772.04 and 13,590.80

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Solution

The fourth proportional to 43,174.16, 64,772.04 and 13,590.80 is: 20,389.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,174.16 : 64,772.04 = 13,590.80 : x
  2. Step 2: Convert to fraction form
    43,174.16/64,772.04 = 13,590.80/x
  3. Step 3: Cross multiply
    43,174.16x = 64,772.04 × 13,590.80
  4. Step 4: Simplify right side
    43,174.16x = 880,303,841.23
  5. Step 5: Solve for x
    x = 880,303,841.23/43,174.16
  6. Step 6: Final answer
    x = 20,389.60

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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.