Home / 32,460.80-44,822.40-20,543.36

Finding the Fourth Proportional to 32,460.80, 44,822.40 and 20,543.36

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Solution

The fourth proportional to 32,460.80, 44,822.40 and 20,543.36 is: 28,366.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,460.80 : 44,822.40 = 20,543.36 : x
  2. Step 2: Convert to fraction form
    32,460.80/44,822.40 = 20,543.36/x
  3. Step 3: Cross multiply
    32,460.80x = 44,822.40 × 20,543.36
  4. Step 4: Simplify right side
    32,460.80x = 920,802,699.26
  5. Step 5: Solve for x
    x = 920,802,699.26/32,460.80
  6. Step 6: Final answer
    x = 28,366.61

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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.