Home / 51,509.54-71,064.33-42,117.86

Finding the Fourth Proportional to 51,509.54, 71,064.33 and 42,117.86

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Solution

The fourth proportional to 51,509.54, 71,064.33 and 42,117.86 is: 58,107.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,509.54 : 71,064.33 = 42,117.86 : x
  2. Step 2: Convert to fraction form
    51,509.54/71,064.33 = 42,117.86/x
  3. Step 3: Cross multiply
    51,509.54x = 71,064.33 × 42,117.86
  4. Step 4: Simplify right side
    51,509.54x = 2,993,077,501.93
  5. Step 5: Solve for x
    x = 2,993,077,501.93/51,509.54
  6. Step 6: Final answer
    x = 58,107.25

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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.