Home / 39,018.48-53,841.60-22,021.20

Finding the Fourth Proportional to 39,018.48, 53,841.60 and 22,021.20

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Solution

The fourth proportional to 39,018.48, 53,841.60 and 22,021.20 is: 30,387.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,018.48 : 53,841.60 = 22,021.20 : x
  2. Step 2: Convert to fraction form
    39,018.48/53,841.60 = 22,021.20/x
  3. Step 3: Cross multiply
    39,018.48x = 53,841.60 × 22,021.20
  4. Step 4: Simplify right side
    39,018.48x = 1,185,656,641.92
  5. Step 5: Solve for x
    x = 1,185,656,641.92/39,018.48
  6. Step 6: Final answer
    x = 30,387.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.