Home / 32,164.12-44,423.74-21,390.35

Finding the Fourth Proportional to 32,164.12, 44,423.74 and 21,390.35

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Solution

The fourth proportional to 32,164.12, 44,423.74 and 21,390.35 is: 29,543.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,164.12 : 44,423.74 = 21,390.35 : x
  2. Step 2: Convert to fraction form
    32,164.12/44,423.74 = 21,390.35/x
  3. Step 3: Cross multiply
    32,164.12x = 44,423.74 × 21,390.35
  4. Step 4: Simplify right side
    32,164.12x = 950,239,151.53
  5. Step 5: Solve for x
    x = 950,239,151.53/32,164.12
  6. Step 6: Final answer
    x = 29,543.45

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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.