Home / 51,189.60-70,636.80-37,768.32

Finding the Fourth Proportional to 51,189.60, 70,636.80 and 37,768.32

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Solution

The fourth proportional to 51,189.60, 70,636.80 and 37,768.32 is: 52,116.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,189.60 : 70,636.80 = 37,768.32 : x
  2. Step 2: Convert to fraction form
    51,189.60/70,636.80 = 37,768.32/x
  3. Step 3: Cross multiply
    51,189.60x = 70,636.80 × 37,768.32
  4. Step 4: Simplify right side
    51,189.60x = 2,667,833,266.18
  5. Step 5: Solve for x
    x = 2,667,833,266.18/51,189.60
  6. Step 6: Final answer
    x = 52,116.70

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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.