Home / 49,617.60-74,426.40-12,681.60

Finding the Fourth Proportional to 49,617.60, 74,426.40 and 12,681.60

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Solution

The fourth proportional to 49,617.60, 74,426.40 and 12,681.60 is: 19,022.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,617.60 : 74,426.40 = 12,681.60 : x
  2. Step 2: Convert to fraction form
    49,617.60/74,426.40 = 12,681.60/x
  3. Step 3: Cross multiply
    49,617.60x = 74,426.40 × 12,681.60
  4. Step 4: Simplify right side
    49,617.60x = 943,845,834.24
  5. Step 5: Solve for x
    x = 943,845,834.24/49,617.60
  6. Step 6: Final answer
    x = 19,022.40

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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.