Home / 38,937.76-53,745.86-33,688.96

Finding the Fourth Proportional to 38,937.76, 53,745.86 and 33,688.96

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Solution

The fourth proportional to 38,937.76, 53,745.86 and 33,688.96 is: 46,500.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,937.76 : 53,745.86 = 33,688.96 : x
  2. Step 2: Convert to fraction form
    38,937.76/53,745.86 = 33,688.96/x
  3. Step 3: Cross multiply
    38,937.76x = 53,745.86 × 33,688.96
  4. Step 4: Simplify right side
    38,937.76x = 1,810,642,127.71
  5. Step 5: Solve for x
    x = 1,810,642,127.71/38,937.76
  6. Step 6: Final answer
    x = 46,500.93

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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.