Home / 39,088.04-58,644.48-12,786.80

Finding the Fourth Proportional to 39,088.04, 58,644.48 and 12,786.80

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Solution

The fourth proportional to 39,088.04, 58,644.48 and 12,786.80 is: 19,184.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,088.04 : 58,644.48 = 12,786.80 : x
  2. Step 2: Convert to fraction form
    39,088.04/58,644.48 = 12,786.80/x
  3. Step 3: Cross multiply
    39,088.04x = 58,644.48 × 12,786.80
  4. Step 4: Simplify right side
    39,088.04x = 749,875,236.86
  5. Step 5: Solve for x
    x = 749,875,236.86/39,088.04
  6. Step 6: Final answer
    x = 19,184.26

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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.