Home / 32,958.16-45,461.80-21,628.40

Finding the Fourth Proportional to 32,958.16, 45,461.80 and 21,628.40

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Solution

The fourth proportional to 32,958.16, 45,461.80 and 21,628.40 is: 29,833.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,958.16 : 45,461.80 = 21,628.40 : x
  2. Step 2: Convert to fraction form
    32,958.16/45,461.80 = 21,628.40/x
  3. Step 3: Cross multiply
    32,958.16x = 45,461.80 × 21,628.40
  4. Step 4: Simplify right side
    32,958.16x = 983,265,995.12
  5. Step 5: Solve for x
    x = 983,265,995.12/32,958.16
  6. Step 6: Final answer
    x = 29,833.76

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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.