Home / 39,809.55-59,697.05-12,101.07

Finding the Fourth Proportional to 39,809.55, 59,697.05 and 12,101.07

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Solution

The fourth proportional to 39,809.55, 59,697.05 and 12,101.07 is: 18,146.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,809.55 : 59,697.05 = 12,101.07 : x
  2. Step 2: Convert to fraction form
    39,809.55/59,697.05 = 12,101.07/x
  3. Step 3: Cross multiply
    39,809.55x = 59,697.05 × 12,101.07
  4. Step 4: Simplify right side
    39,809.55x = 722,398,120.34
  5. Step 5: Solve for x
    x = 722,398,120.34/39,809.55
  6. Step 6: Final answer
    x = 18,146.35

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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.