Home / 32,931.22-45,440.85-18,783.22

Finding the Fourth Proportional to 32,931.22, 45,440.85 and 18,783.22

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Solution

The fourth proportional to 32,931.22, 45,440.85 and 18,783.22 is: 25,918.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,931.22 : 45,440.85 = 18,783.22 : x
  2. Step 2: Convert to fraction form
    32,931.22/45,440.85 = 18,783.22/x
  3. Step 3: Cross multiply
    32,931.22x = 45,440.85 × 18,783.22
  4. Step 4: Simplify right side
    32,931.22x = 853,525,482.54
  5. Step 5: Solve for x
    x = 853,525,482.54/32,931.22
  6. Step 6: Final answer
    x = 25,918.43

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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.