Home / 39,610.15-59,424.90-12,957.69

Finding the Fourth Proportional to 39,610.15, 59,424.90 and 12,957.69

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Solution

The fourth proportional to 39,610.15, 59,424.90 and 12,957.69 is: 19,439.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,610.15 : 59,424.90 = 12,957.69 : x
  2. Step 2: Convert to fraction form
    39,610.15/59,424.90 = 12,957.69/x
  3. Step 3: Cross multiply
    39,610.15x = 59,424.90 × 12,957.69
  4. Step 4: Simplify right side
    39,610.15x = 770,009,432.48
  5. Step 5: Solve for x
    x = 770,009,432.48/39,610.15
  6. Step 6: Final answer
    x = 19,439.70

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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.