Home / 51,641.24-71,288.52-39,700.40

Finding the Fourth Proportional to 51,641.24, 71,288.52 and 39,700.40

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Solution

The fourth proportional to 51,641.24, 71,288.52 and 39,700.40 is: 54,804.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,641.24 : 71,288.52 = 39,700.40 : x
  2. Step 2: Convert to fraction form
    51,641.24/71,288.52 = 39,700.40/x
  3. Step 3: Cross multiply
    51,641.24x = 71,288.52 × 39,700.40
  4. Step 4: Simplify right side
    51,641.24x = 2,830,182,759.41
  5. Step 5: Solve for x
    x = 2,830,182,759.41/51,641.24
  6. Step 6: Final answer
    x = 54,804.70

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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.