Home / 42,831.77-64,235.36-14,750.69

Finding the Fourth Proportional to 42,831.77, 64,235.36 and 14,750.69

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Solution

The fourth proportional to 42,831.77, 64,235.36 and 14,750.69 is: 22,121.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,831.77 : 64,235.36 = 14,750.69 : x
  2. Step 2: Convert to fraction form
    42,831.77/64,235.36 = 14,750.69/x
  3. Step 3: Cross multiply
    42,831.77x = 64,235.36 × 14,750.69
  4. Step 4: Simplify right side
    42,831.77x = 947,515,487.47
  5. Step 5: Solve for x
    x = 947,515,487.47/42,831.77
  6. Step 6: Final answer
    x = 22,121.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.