Home / 32,783.16-45,226.98-20,852.40

Finding the Fourth Proportional to 32,783.16, 45,226.98 and 20,852.40

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Solution

The fourth proportional to 32,783.16, 45,226.98 and 20,852.40 is: 28,767.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,783.16 : 45,226.98 = 20,852.40 : x
  2. Step 2: Convert to fraction form
    32,783.16/45,226.98 = 20,852.40/x
  3. Step 3: Cross multiply
    32,783.16x = 45,226.98 × 20,852.40
  4. Step 4: Simplify right side
    32,783.16x = 943,091,077.75
  5. Step 5: Solve for x
    x = 943,091,077.75/32,783.16
  6. Step 6: Final answer
    x = 28,767.55

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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.