Home / 32,740.74-45,187.68-19,315.32

Finding the Fourth Proportional to 32,740.74, 45,187.68 and 19,315.32

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Solution

The fourth proportional to 32,740.74, 45,187.68 and 19,315.32 is: 26,658.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,740.74 : 45,187.68 = 19,315.32 : x
  2. Step 2: Convert to fraction form
    32,740.74/45,187.68 = 19,315.32/x
  3. Step 3: Cross multiply
    32,740.74x = 45,187.68 × 19,315.32
  4. Step 4: Simplify right side
    32,740.74x = 872,814,499.26
  5. Step 5: Solve for x
    x = 872,814,499.26/32,740.74
  6. Step 6: Final answer
    x = 26,658.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.