Home / 40,021.59-60,032.43-10,439.40

Finding the Fourth Proportional to 40,021.59, 60,032.43 and 10,439.40

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Solution

The fourth proportional to 40,021.59, 60,032.43 and 10,439.40 is: 15,659.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,021.59 : 60,032.43 = 10,439.40 : x
  2. Step 2: Convert to fraction form
    40,021.59/60,032.43 = 10,439.40/x
  3. Step 3: Cross multiply
    40,021.59x = 60,032.43 × 10,439.40
  4. Step 4: Simplify right side
    40,021.59x = 626,702,549.74
  5. Step 5: Solve for x
    x = 626,702,549.74/40,021.59
  6. Step 6: Final answer
    x = 15,659.11

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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.