Home / 51,955.02-71,697.96-30,735.72

Finding the Fourth Proportional to 51,955.02, 71,697.96 and 30,735.72

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Solution

The fourth proportional to 51,955.02, 71,697.96 and 30,735.72 is: 42,415.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,955.02 : 71,697.96 = 30,735.72 : x
  2. Step 2: Convert to fraction form
    51,955.02/71,697.96 = 30,735.72/x
  3. Step 3: Cross multiply
    51,955.02x = 71,697.96 × 30,735.72
  4. Step 4: Simplify right side
    51,955.02x = 2,203,688,423.13
  5. Step 5: Solve for x
    x = 2,203,688,423.13/51,955.02
  6. Step 6: Final answer
    x = 42,415.31

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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.