Home / 46,931.54-70,420.12-20,632.88

Finding the Fourth Proportional to 46,931.54, 70,420.12 and 20,632.88

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Solution

The fourth proportional to 46,931.54, 70,420.12 and 20,632.88 is: 30,959.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,931.54 : 70,420.12 = 20,632.88 : x
  2. Step 2: Convert to fraction form
    46,931.54/70,420.12 = 20,632.88/x
  3. Step 3: Cross multiply
    46,931.54x = 70,420.12 × 20,632.88
  4. Step 4: Simplify right side
    46,931.54x = 1,452,969,885.55
  5. Step 5: Solve for x
    x = 1,452,969,885.55/46,931.54
  6. Step 6: Final answer
    x = 30,959.35

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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.