Home / 32,931.55-45,445.08-18,784.63

Finding the Fourth Proportional to 32,931.55, 45,445.08 and 18,784.63

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Solution

The fourth proportional to 32,931.55, 45,445.08 and 18,784.63 is: 25,922.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,931.55 : 45,445.08 = 18,784.63 : x
  2. Step 2: Convert to fraction form
    32,931.55/45,445.08 = 18,784.63/x
  3. Step 3: Cross multiply
    32,931.55x = 45,445.08 × 18,784.63
  4. Step 4: Simplify right side
    32,931.55x = 853,669,013.12
  5. Step 5: Solve for x
    x = 853,669,013.12/32,931.55
  6. Step 6: Final answer
    x = 25,922.53

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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.