Home / 32,657.40-45,051.48-20,077.56

Finding the Fourth Proportional to 32,657.40, 45,051.48 and 20,077.56

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Solution

The fourth proportional to 32,657.40, 45,051.48 and 20,077.56 is: 27,697.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,657.40 : 45,051.48 = 20,077.56 : x
  2. Step 2: Convert to fraction form
    32,657.40/45,051.48 = 20,077.56/x
  3. Step 3: Cross multiply
    32,657.40x = 45,051.48 × 20,077.56
  4. Step 4: Simplify right side
    32,657.40x = 904,523,792.79
  5. Step 5: Solve for x
    x = 904,523,792.79/32,657.40
  6. Step 6: Final answer
    x = 27,697.36

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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.