Home / 30,747.48-46,124.64-13,219.08

Finding the Fourth Proportional to 30,747.48, 46,124.64 and 13,219.08

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Solution

The fourth proportional to 30,747.48, 46,124.64 and 13,219.08 is: 19,830.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,747.48 : 46,124.64 = 13,219.08 : x
  2. Step 2: Convert to fraction form
    30,747.48/46,124.64 = 13,219.08/x
  3. Step 3: Cross multiply
    30,747.48x = 46,124.64 × 13,219.08
  4. Step 4: Simplify right side
    30,747.48x = 609,725,306.13
  5. Step 5: Solve for x
    x = 609,725,306.13/30,747.48
  6. Step 6: Final answer
    x = 19,830.09

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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.