Home / 30,999.30-46,535.40-30,780.60

Finding the Fourth Proportional to 30,999.30, 46,535.40 and 30,780.60

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Solution

The fourth proportional to 30,999.30, 46,535.40 and 30,780.60 is: 46,207.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,999.30 : 46,535.40 = 30,780.60 : x
  2. Step 2: Convert to fraction form
    30,999.30/46,535.40 = 30,780.60/x
  3. Step 3: Cross multiply
    30,999.30x = 46,535.40 × 30,780.60
  4. Step 4: Simplify right side
    30,999.30x = 1,432,387,533.24
  5. Step 5: Solve for x
    x = 1,432,387,533.24/30,999.30
  6. Step 6: Final answer
    x = 46,207.09

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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.