Home / 57,070.02-85,480.20-28,941.60

Finding the Fourth Proportional to 57,070.02, 85,480.20 and 28,941.60

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Solution

The fourth proportional to 57,070.02, 85,480.20 and 28,941.60 is: 43,349.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,070.02 : 85,480.20 = 28,941.60 : x
  2. Step 2: Convert to fraction form
    57,070.02/85,480.20 = 28,941.60/x
  3. Step 3: Cross multiply
    57,070.02x = 85,480.20 × 28,941.60
  4. Step 4: Simplify right side
    57,070.02x = 2,473,933,756.32
  5. Step 5: Solve for x
    x = 2,473,933,756.32/57,070.02
  6. Step 6: Final answer
    x = 43,349.10

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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.