Home / 55,157.95-82,740.05-15,718.13

Finding the Fourth Proportional to 55,157.95, 82,740.05 and 15,718.13

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Solution

The fourth proportional to 55,157.95, 82,740.05 and 15,718.13 is: 23,578.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,157.95 : 82,740.05 = 15,718.13 : x
  2. Step 2: Convert to fraction form
    55,157.95/82,740.05 = 15,718.13/x
  3. Step 3: Cross multiply
    55,157.95x = 82,740.05 × 15,718.13
  4. Step 4: Simplify right side
    55,157.95x = 1,300,519,204.45
  5. Step 5: Solve for x
    x = 1,300,519,204.45/55,157.95
  6. Step 6: Final answer
    x = 23,578.09

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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.