Home / 32,966.12-45,466.80-28,978.76

Finding the Fourth Proportional to 32,966.12, 45,466.80 and 28,978.76

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Solution

The fourth proportional to 32,966.12, 45,466.80 and 28,978.76 is: 39,967.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,966.12 : 45,466.80 = 28,978.76 : x
  2. Step 2: Convert to fraction form
    32,966.12/45,466.80 = 28,978.76/x
  3. Step 3: Cross multiply
    32,966.12x = 45,466.80 × 28,978.76
  4. Step 4: Simplify right side
    32,966.12x = 1,317,571,485.17
  5. Step 5: Solve for x
    x = 1,317,571,485.17/32,966.12
  6. Step 6: Final answer
    x = 39,967.44

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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.