Home / 30,748.96-46,130.72-9,972.48

Finding the Fourth Proportional to 30,748.96, 46,130.72 and 9,972.48

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Solution

The fourth proportional to 30,748.96, 46,130.72 and 9,972.48 is: 14,961.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,748.96 : 46,130.72 = 9,972.48 : x
  2. Step 2: Convert to fraction form
    30,748.96/46,130.72 = 9,972.48/x
  3. Step 3: Cross multiply
    30,748.96x = 46,130.72 × 9,972.48
  4. Step 4: Simplify right side
    30,748.96x = 460,037,682.59
  5. Step 5: Solve for x
    x = 460,037,682.59/30,748.96
  6. Step 6: Final answer
    x = 14,961.08

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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.