Home / 49,428.96-74,130.48-14,359.20

Finding the Fourth Proportional to 49,428.96, 74,130.48 and 14,359.20

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Solution

The fourth proportional to 49,428.96, 74,130.48 and 14,359.20 is: 21,535.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,428.96 : 74,130.48 = 14,359.20 : x
  2. Step 2: Convert to fraction form
    49,428.96/74,130.48 = 14,359.20/x
  3. Step 3: Cross multiply
    49,428.96x = 74,130.48 × 14,359.20
  4. Step 4: Simplify right side
    49,428.96x = 1,064,454,388.42
  5. Step 5: Solve for x
    x = 1,064,454,388.42/49,428.96
  6. Step 6: Final answer
    x = 21,535.04

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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.