Home / 53,926.70-80,890.05-18,862.70

Finding the Fourth Proportional to 53,926.70, 80,890.05 and 18,862.70

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Solution

The fourth proportional to 53,926.70, 80,890.05 and 18,862.70 is: 28,294.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,926.70 : 80,890.05 = 18,862.70 : x
  2. Step 2: Convert to fraction form
    53,926.70/80,890.05 = 18,862.70/x
  3. Step 3: Cross multiply
    53,926.70x = 80,890.05 × 18,862.70
  4. Step 4: Simplify right side
    53,926.70x = 1,525,804,746.14
  5. Step 5: Solve for x
    x = 1,525,804,746.14/53,926.70
  6. Step 6: Final answer
    x = 28,294.05

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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.