Home / 30,859.65-46,345.95-28,257.12

Finding the Fourth Proportional to 30,859.65, 46,345.95 and 28,257.12

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Solution

The fourth proportional to 30,859.65, 46,345.95 and 28,257.12 is: 42,437.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,859.65 : 46,345.95 = 28,257.12 : x
  2. Step 2: Convert to fraction form
    30,859.65/46,345.95 = 28,257.12/x
  3. Step 3: Cross multiply
    30,859.65x = 46,345.95 × 28,257.12
  4. Step 4: Simplify right side
    30,859.65x = 1,309,603,070.66
  5. Step 5: Solve for x
    x = 1,309,603,070.66/30,859.65
  6. Step 6: Final answer
    x = 42,437.39

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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.