Home / 48,810.87-67,359.20-30,887.19

Finding the Fourth Proportional to 48,810.87, 67,359.20 and 30,887.19

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Solution

The fourth proportional to 48,810.87, 67,359.20 and 30,887.19 is: 42,624.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,810.87 : 67,359.20 = 30,887.19 : x
  2. Step 2: Convert to fraction form
    48,810.87/67,359.20 = 30,887.19/x
  3. Step 3: Cross multiply
    48,810.87x = 67,359.20 × 30,887.19
  4. Step 4: Simplify right side
    48,810.87x = 2,080,536,254.21
  5. Step 5: Solve for x
    x = 2,080,536,254.21/48,810.87
  6. Step 6: Final answer
    x = 42,624.45

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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.