Home / 40,631.68-60,970.80-21,911.63

Finding the Fourth Proportional to 40,631.68, 60,970.80 and 21,911.63

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Solution

The fourth proportional to 40,631.68, 60,970.80 and 21,911.63 is: 32,880.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,631.68 : 60,970.80 = 21,911.63 : x
  2. Step 2: Convert to fraction form
    40,631.68/60,970.80 = 21,911.63/x
  3. Step 3: Cross multiply
    40,631.68x = 60,970.80 × 21,911.63
  4. Step 4: Simplify right side
    40,631.68x = 1,335,969,610.40
  5. Step 5: Solve for x
    x = 1,335,969,610.40/40,631.68
  6. Step 6: Final answer
    x = 32,880.00

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1.5x scale

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.