Home / 39,820.24-59,740.08-12,118.24

Finding the Fourth Proportional to 39,820.24, 59,740.08 and 12,118.24

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Solution

The fourth proportional to 39,820.24, 59,740.08 and 12,118.24 is: 18,180.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,820.24 : 59,740.08 = 12,118.24 : x
  2. Step 2: Convert to fraction form
    39,820.24/59,740.08 = 12,118.24/x
  3. Step 3: Cross multiply
    39,820.24x = 59,740.08 × 12,118.24
  4. Step 4: Simplify right side
    39,820.24x = 723,944,627.06
  5. Step 5: Solve for x
    x = 723,944,627.06/39,820.24
  6. Step 6: Final answer
    x = 18,180.32

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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.