Home / 53,427.16-80,146.08-18,362.20

Finding the Fourth Proportional to 53,427.16, 80,146.08 and 18,362.20

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Solution

The fourth proportional to 53,427.16, 80,146.08 and 18,362.20 is: 27,545.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,427.16 : 80,146.08 = 18,362.20 : x
  2. Step 2: Convert to fraction form
    53,427.16/80,146.08 = 18,362.20/x
  3. Step 3: Cross multiply
    53,427.16x = 80,146.08 × 18,362.20
  4. Step 4: Simplify right side
    53,427.16x = 1,471,658,350.18
  5. Step 5: Solve for x
    x = 1,471,658,350.18/53,427.16
  6. Step 6: Final answer
    x = 27,545.14

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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.