Home / 51,777.02-71,471.35-45,470.77

Finding the Fourth Proportional to 51,777.02, 71,471.35 and 45,470.77

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Solution

The fourth proportional to 51,777.02, 71,471.35 and 45,470.77 is: 62,766.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,777.02 : 71,471.35 = 45,470.77 : x
  2. Step 2: Convert to fraction form
    51,777.02/71,471.35 = 45,470.77/x
  3. Step 3: Cross multiply
    51,777.02x = 71,471.35 × 45,470.77
  4. Step 4: Simplify right side
    51,777.02x = 3,249,857,025.08
  5. Step 5: Solve for x
    x = 3,249,857,025.08/51,777.02
  6. Step 6: Final answer
    x = 62,766.40

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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.