Home / 30,537.08-45,798.24-12,758.13

Finding the Fourth Proportional to 30,537.08, 45,798.24 and 12,758.13

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Solution

The fourth proportional to 30,537.08, 45,798.24 and 12,758.13 is: 19,134.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,537.08 : 45,798.24 = 12,758.13 : x
  2. Step 2: Convert to fraction form
    30,537.08/45,798.24 = 12,758.13/x
  3. Step 3: Cross multiply
    30,537.08x = 45,798.24 × 12,758.13
  4. Step 4: Simplify right side
    30,537.08x = 584,299,947.53
  5. Step 5: Solve for x
    x = 584,299,947.53/30,537.08
  6. Step 6: Final answer
    x = 19,134.11

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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.