Home / 51,339.60-70,868.14-38,629.74

Finding the Fourth Proportional to 51,339.60, 70,868.14 and 38,629.74

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Solution

The fourth proportional to 51,339.60, 70,868.14 and 38,629.74 is: 53,323.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,339.60 : 70,868.14 = 38,629.74 : x
  2. Step 2: Convert to fraction form
    51,339.60/70,868.14 = 38,629.74/x
  3. Step 3: Cross multiply
    51,339.60x = 70,868.14 × 38,629.74
  4. Step 4: Simplify right side
    51,339.60x = 2,737,617,502.36
  5. Step 5: Solve for x
    x = 2,737,617,502.36/51,339.60
  6. Step 6: Final answer
    x = 53,323.70

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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.