Home / 49,465.04-74,206.84-19,885.12

Finding the Fourth Proportional to 49,465.04, 74,206.84 and 19,885.12

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Solution

The fourth proportional to 49,465.04, 74,206.84 and 19,885.12 is: 29,831.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,465.04 : 74,206.84 = 19,885.12 : x
  2. Step 2: Convert to fraction form
    49,465.04/74,206.84 = 19,885.12/x
  3. Step 3: Cross multiply
    49,465.04x = 74,206.84 × 19,885.12
  4. Step 4: Simplify right side
    49,465.04x = 1,475,611,918.22
  5. Step 5: Solve for x
    x = 1,475,611,918.22/49,465.04
  6. Step 6: Final answer
    x = 29,831.41

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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.