Home / 43,124.65-64,686.96-19,404.47

Finding the Fourth Proportional to 43,124.65, 64,686.96 and 19,404.47

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Solution

The fourth proportional to 43,124.65, 64,686.96 and 19,404.47 is: 29,106.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,124.65 : 64,686.96 = 19,404.47 : x
  2. Step 2: Convert to fraction form
    43,124.65/64,686.96 = 19,404.47/x
  3. Step 3: Cross multiply
    43,124.65x = 64,686.96 × 19,404.47
  4. Step 4: Simplify right side
    43,124.65x = 1,255,216,336.43
  5. Step 5: Solve for x
    x = 1,255,216,336.43/43,124.65
  6. Step 6: Final answer
    x = 29,106.70

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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.