Home / 42,079.80-63,119.70-37,851.60

Finding the Fourth Proportional to 42,079.80, 63,119.70 and 37,851.60

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Solution

The fourth proportional to 42,079.80, 63,119.70 and 37,851.60 is: 56,777.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,079.80 : 63,119.70 = 37,851.60 : x
  2. Step 2: Convert to fraction form
    42,079.80/63,119.70 = 37,851.60/x
  3. Step 3: Cross multiply
    42,079.80x = 63,119.70 × 37,851.60
  4. Step 4: Simplify right side
    42,079.80x = 2,389,181,636.52
  5. Step 5: Solve for x
    x = 2,389,181,636.52/42,079.80
  6. Step 6: Final answer
    x = 56,777.40

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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.