Home / 39,018.34-58,506.54-12,359.44

Finding the Fourth Proportional to 39,018.34, 58,506.54 and 12,359.44

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Solution

The fourth proportional to 39,018.34, 58,506.54 and 12,359.44 is: 18,532.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,018.34 : 58,506.54 = 12,359.44 : x
  2. Step 2: Convert to fraction form
    39,018.34/58,506.54 = 12,359.44/x
  3. Step 3: Cross multiply
    39,018.34x = 58,506.54 × 12,359.44
  4. Step 4: Simplify right side
    39,018.34x = 723,108,070.74
  5. Step 5: Solve for x
    x = 723,108,070.74/39,018.34
  6. Step 6: Final answer
    x = 18,532.52

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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.