Home / 45,246.02-67,901.88-31,830.80

Finding the Fourth Proportional to 45,246.02, 67,901.88 and 31,830.80

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Solution

The fourth proportional to 45,246.02, 67,901.88 and 31,830.80 is: 47,769.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,246.02 : 67,901.88 = 31,830.80 : x
  2. Step 2: Convert to fraction form
    45,246.02/67,901.88 = 31,830.80/x
  3. Step 3: Cross multiply
    45,246.02x = 67,901.88 × 31,830.80
  4. Step 4: Simplify right side
    45,246.02x = 2,161,371,161.90
  5. Step 5: Solve for x
    x = 2,161,371,161.90/45,246.02
  6. Step 6: Final answer
    x = 47,769.31

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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.