Home / 53,412.57-80,062.36-20,118.23

Finding the Fourth Proportional to 53,412.57, 80,062.36 and 20,118.23

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Solution

The fourth proportional to 53,412.57, 80,062.36 and 20,118.23 is: 30,156.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,412.57 : 80,062.36 = 20,118.23 : x
  2. Step 2: Convert to fraction form
    53,412.57/80,062.36 = 20,118.23/x
  3. Step 3: Cross multiply
    53,412.57x = 80,062.36 × 20,118.23
  4. Step 4: Simplify right side
    53,412.57x = 1,610,712,822.45
  5. Step 5: Solve for x
    x = 1,610,712,822.45/53,412.57
  6. Step 6: Final answer
    x = 30,156.06

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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.