Home / 40,445.68-60,639.36-14,143.36

Finding the Fourth Proportional to 40,445.68, 60,639.36 and 14,143.36

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Solution

The fourth proportional to 40,445.68, 60,639.36 and 14,143.36 is: 21,204.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,445.68 : 60,639.36 = 14,143.36 : x
  2. Step 2: Convert to fraction form
    40,445.68/60,639.36 = 14,143.36/x
  3. Step 3: Cross multiply
    40,445.68x = 60,639.36 × 14,143.36
  4. Step 4: Simplify right side
    40,445.68x = 857,644,298.65
  5. Step 5: Solve for x
    x = 857,644,298.65/40,445.68
  6. Step 6: Final answer
    x = 21,204.84

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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.