Home / 32,421.34-48,637.88-15,781.36

Finding the Fourth Proportional to 32,421.34, 48,637.88 and 15,781.36

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Solution

The fourth proportional to 32,421.34, 48,637.88 and 15,781.36 is: 23,674.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,421.34 : 48,637.88 = 15,781.36 : x
  2. Step 2: Convert to fraction form
    32,421.34/48,637.88 = 15,781.36/x
  3. Step 3: Cross multiply
    32,421.34x = 48,637.88 × 15,781.36
  4. Step 4: Simplify right side
    32,421.34x = 767,571,893.92
  5. Step 5: Solve for x
    x = 767,571,893.92/32,421.34
  6. Step 6: Final answer
    x = 23,674.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.