Home / 48,019.36-72,082.08-28,312.16

Finding the Fourth Proportional to 48,019.36, 72,082.08 and 28,312.16

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Solution

The fourth proportional to 48,019.36, 72,082.08 and 28,312.16 is: 42,499.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,019.36 : 72,082.08 = 28,312.16 : x
  2. Step 2: Convert to fraction form
    48,019.36/72,082.08 = 28,312.16/x
  3. Step 3: Cross multiply
    48,019.36x = 72,082.08 × 28,312.16
  4. Step 4: Simplify right side
    48,019.36x = 2,040,799,382.09
  5. Step 5: Solve for x
    x = 2,040,799,382.09/48,019.36
  6. Step 6: Final answer
    x = 42,499.51

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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.