Home / 42,505.51-63,765.96-17,531.65

Finding the Fourth Proportional to 42,505.51, 63,765.96 and 17,531.65

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Solution

The fourth proportional to 42,505.51, 63,765.96 and 17,531.65 is: 26,300.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,505.51 : 63,765.96 = 17,531.65 : x
  2. Step 2: Convert to fraction form
    42,505.51/63,765.96 = 17,531.65/x
  3. Step 3: Cross multiply
    42,505.51x = 63,765.96 × 17,531.65
  4. Step 4: Simplify right side
    42,505.51x = 1,117,922,492.63
  5. Step 5: Solve for x
    x = 1,117,922,492.63/42,505.51
  6. Step 6: Final answer
    x = 26,300.65

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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.