Home / 30,757.02-46,143.90-9,980.52

Finding the Fourth Proportional to 30,757.02, 46,143.90 and 9,980.52

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Solution

The fourth proportional to 30,757.02, 46,143.90 and 9,980.52 is: 14,973.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,757.02 : 46,143.90 = 9,980.52 : x
  2. Step 2: Convert to fraction form
    30,757.02/46,143.90 = 9,980.52/x
  3. Step 3: Cross multiply
    30,757.02x = 46,143.90 × 9,980.52
  4. Step 4: Simplify right side
    30,757.02x = 460,540,116.83
  5. Step 5: Solve for x
    x = 460,540,116.83/30,757.02
  6. Step 6: Final answer
    x = 14,973.50

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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.