Home / 49,870.79-74,741.64-20,254.25

Finding the Fourth Proportional to 49,870.79, 74,741.64 and 20,254.25

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Solution

The fourth proportional to 49,870.79, 74,741.64 and 20,254.25 is: 30,355.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,870.79 : 74,741.64 = 20,254.25 : x
  2. Step 2: Convert to fraction form
    49,870.79/74,741.64 = 20,254.25/x
  3. Step 3: Cross multiply
    49,870.79x = 74,741.64 × 20,254.25
  4. Step 4: Simplify right side
    49,870.79x = 1,513,835,972.87
  5. Step 5: Solve for x
    x = 1,513,835,972.87/49,870.79
  6. Step 6: Final answer
    x = 30,355.16

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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.