Home / 30,668.02-46,001.56-8,480.90

Finding the Fourth Proportional to 30,668.02, 46,001.56 and 8,480.90

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Solution

The fourth proportional to 30,668.02, 46,001.56 and 8,480.90 is: 12,721.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,668.02 : 46,001.56 = 8,480.90 : x
  2. Step 2: Convert to fraction form
    30,668.02/46,001.56 = 8,480.90/x
  3. Step 3: Cross multiply
    30,668.02x = 46,001.56 × 8,480.90
  4. Step 4: Simplify right side
    30,668.02x = 390,134,630.20
  5. Step 5: Solve for x
    x = 390,134,630.20/30,668.02
  6. Step 6: Final answer
    x = 12,721.22

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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.