Home / 30,923.78-46,349.76-14,248.81

Finding the Fourth Proportional to 30,923.78, 46,349.76 and 14,248.81

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Solution

The fourth proportional to 30,923.78, 46,349.76 and 14,248.81 is: 21,356.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,923.78 : 46,349.76 = 14,248.81 : x
  2. Step 2: Convert to fraction form
    30,923.78/46,349.76 = 14,248.81/x
  3. Step 3: Cross multiply
    30,923.78x = 46,349.76 × 14,248.81
  4. Step 4: Simplify right side
    30,923.78x = 660,428,923.79
  5. Step 5: Solve for x
    x = 660,428,923.79/30,923.78
  6. Step 6: Final answer
    x = 21,356.67

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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.