Home / 39,760.21-59,638.95-10,178.31

Finding the Fourth Proportional to 39,760.21, 59,638.95 and 10,178.31

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Solution

The fourth proportional to 39,760.21, 59,638.95 and 10,178.31 is: 15,267.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,760.21 : 59,638.95 = 10,178.31 : x
  2. Step 2: Convert to fraction form
    39,760.21/59,638.95 = 10,178.31/x
  3. Step 3: Cross multiply
    39,760.21x = 59,638.95 × 10,178.31
  4. Step 4: Simplify right side
    39,760.21x = 607,023,422.98
  5. Step 5: Solve for x
    x = 607,023,422.98/39,760.21
  6. Step 6: Final answer
    x = 15,267.11

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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.