Home / 32,420.34-44,733.27-19,680.18

Finding the Fourth Proportional to 32,420.34, 44,733.27 and 19,680.18

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Solution

The fourth proportional to 32,420.34, 44,733.27 and 19,680.18 is: 27,154.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,420.34 : 44,733.27 = 19,680.18 : x
  2. Step 2: Convert to fraction form
    32,420.34/44,733.27 = 19,680.18/x
  3. Step 3: Cross multiply
    32,420.34x = 44,733.27 × 19,680.18
  4. Step 4: Simplify right side
    32,420.34x = 880,358,805.59
  5. Step 5: Solve for x
    x = 880,358,805.59/32,420.34
  6. Step 6: Final answer
    x = 27,154.52

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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.