Home / 35,483.04-48,962.16-20,376.36

Finding the Fourth Proportional to 35,483.04, 48,962.16 and 20,376.36

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Solution

The fourth proportional to 35,483.04, 48,962.16 and 20,376.36 is: 28,116.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,483.04 : 48,962.16 = 20,376.36 : x
  2. Step 2: Convert to fraction form
    35,483.04/48,962.16 = 20,376.36/x
  3. Step 3: Cross multiply
    35,483.04x = 48,962.16 × 20,376.36
  4. Step 4: Simplify right side
    35,483.04x = 997,670,598.54
  5. Step 5: Solve for x
    x = 997,670,598.54/35,483.04
  6. Step 6: Final answer
    x = 28,116.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.