Home / 39,612.15-59,427.90-12,959.69

Finding the Fourth Proportional to 39,612.15, 59,427.90 and 12,959.69

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Solution

The fourth proportional to 39,612.15, 59,427.90 and 12,959.69 is: 19,442.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,612.15 : 59,427.90 = 12,959.69 : x
  2. Step 2: Convert to fraction form
    39,612.15/59,427.90 = 12,959.69/x
  3. Step 3: Cross multiply
    39,612.15x = 59,427.90 × 12,959.69
  4. Step 4: Simplify right side
    39,612.15x = 770,166,864.21
  5. Step 5: Solve for x
    x = 770,166,864.21/39,612.15
  6. Step 6: Final answer
    x = 19,442.69

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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.