Home / 55,715.23-83,573.66-18,278.25

Finding the Fourth Proportional to 55,715.23, 83,573.66 and 18,278.25

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Solution

The fourth proportional to 55,715.23, 83,573.66 and 18,278.25 is: 27,417.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,715.23 : 83,573.66 = 18,278.25 : x
  2. Step 2: Convert to fraction form
    55,715.23/83,573.66 = 18,278.25/x
  3. Step 3: Cross multiply
    55,715.23x = 83,573.66 × 18,278.25
  4. Step 4: Simplify right side
    55,715.23x = 1,527,579,741.64
  5. Step 5: Solve for x
    x = 1,527,579,741.64/55,715.23
  6. Step 6: Final answer
    x = 27,417.63

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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.