Home / 51,534.81-71,112.47-38,113.65

Finding the Fourth Proportional to 51,534.81, 71,112.47 and 38,113.65

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Solution

The fourth proportional to 51,534.81, 71,112.47 and 38,113.65 is: 52,592.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,534.81 : 71,112.47 = 38,113.65 : x
  2. Step 2: Convert to fraction form
    51,534.81/71,112.47 = 38,113.65/x
  3. Step 3: Cross multiply
    51,534.81x = 71,112.47 × 38,113.65
  4. Step 4: Simplify right side
    51,534.81x = 2,710,355,601.65
  5. Step 5: Solve for x
    x = 2,710,355,601.65/51,534.81
  6. Step 6: Final answer
    x = 52,592.72

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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.