Home / 30,248.07-45,371.95-7,758.65

Finding the Fourth Proportional to 30,248.07, 45,371.95 and 7,758.65

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Solution

The fourth proportional to 30,248.07, 45,371.95 and 7,758.65 is: 11,637.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,248.07 : 45,371.95 = 7,758.65 : x
  2. Step 2: Convert to fraction form
    30,248.07/45,371.95 = 7,758.65/x
  3. Step 3: Cross multiply
    30,248.07x = 45,371.95 × 7,758.65
  4. Step 4: Simplify right side
    30,248.07x = 352,025,079.87
  5. Step 5: Solve for x
    x = 352,025,079.87/30,248.07
  6. Step 6: Final answer
    x = 11,637.94

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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.