Home / 42,633.03-63,955.38-14,545.55

Finding the Fourth Proportional to 42,633.03, 63,955.38 and 14,545.55

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Solution

The fourth proportional to 42,633.03, 63,955.38 and 14,545.55 is: 21,820.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,633.03 : 63,955.38 = 14,545.55 : x
  2. Step 2: Convert to fraction form
    42,633.03/63,955.38 = 14,545.55/x
  3. Step 3: Cross multiply
    42,633.03x = 63,955.38 × 14,545.55
  4. Step 4: Simplify right side
    42,633.03x = 930,265,857.78
  5. Step 5: Solve for x
    x = 930,265,857.78/42,633.03
  6. Step 6: Final answer
    x = 21,820.31

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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.