Home / 69,961.42-96,547.08-39,748.39

Finding the Fourth Proportional to 69,961.42, 96,547.08 and 39,748.39

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Solution

The fourth proportional to 69,961.42, 96,547.08 and 39,748.39 is: 54,852.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,961.42 : 96,547.08 = 39,748.39 : x
  2. Step 2: Convert to fraction form
    69,961.42/96,547.08 = 39,748.39/x
  3. Step 3: Cross multiply
    69,961.42x = 96,547.08 × 39,748.39
  4. Step 4: Simplify right side
    69,961.42x = 3,837,590,989.20
  5. Step 5: Solve for x
    x = 3,837,590,989.20/69,961.42
  6. Step 6: Final answer
    x = 54,852.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.