Home / 51,509.16-77,298.40-18,229.12

Finding the Fourth Proportional to 51,509.16, 77,298.40 and 18,229.12

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Solution

The fourth proportional to 51,509.16, 77,298.40 and 18,229.12 is: 27,355.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,509.16 : 77,298.40 = 18,229.12 : x
  2. Step 2: Convert to fraction form
    51,509.16/77,298.40 = 18,229.12/x
  3. Step 3: Cross multiply
    51,509.16x = 77,298.40 × 18,229.12
  4. Step 4: Simplify right side
    51,509.16x = 1,409,081,809.41
  5. Step 5: Solve for x
    x = 1,409,081,809.41/51,509.16
  6. Step 6: Final answer
    x = 27,355.95

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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.