Home / 49,018.80-73,547.40-19,431.60

Finding the Fourth Proportional to 49,018.80, 73,547.40 and 19,431.60

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Solution

The fourth proportional to 49,018.80, 73,547.40 and 19,431.60 is: 29,155.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,018.80 : 73,547.40 = 19,431.60 : x
  2. Step 2: Convert to fraction form
    49,018.80/73,547.40 = 19,431.60/x
  3. Step 3: Cross multiply
    49,018.80x = 73,547.40 × 19,431.60
  4. Step 4: Simplify right side
    49,018.80x = 1,429,143,657.84
  5. Step 5: Solve for x
    x = 1,429,143,657.84/49,018.80
  6. Step 6: Final answer
    x = 29,155.01

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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.