Home / 42,625.33-63,938.32-18,926.50

Finding the Fourth Proportional to 42,625.33, 63,938.32 and 18,926.50

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Solution

The fourth proportional to 42,625.33, 63,938.32 and 18,926.50 is: 28,389.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,625.33 : 63,938.32 = 18,926.50 : x
  2. Step 2: Convert to fraction form
    42,625.33/63,938.32 = 18,926.50/x
  3. Step 3: Cross multiply
    42,625.33x = 63,938.32 × 18,926.50
  4. Step 4: Simplify right side
    42,625.33x = 1,210,128,406.32
  5. Step 5: Solve for x
    x = 1,210,128,406.32/42,625.33
  6. Step 6: Final answer
    x = 28,389.89

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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.