Home / 45,421.67-62,681.42-25,278.21

Finding the Fourth Proportional to 45,421.67, 62,681.42 and 25,278.21

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Solution

The fourth proportional to 45,421.67, 62,681.42 and 25,278.21 is: 34,883.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,421.67 : 62,681.42 = 25,278.21 : x
  2. Step 2: Convert to fraction form
    45,421.67/62,681.42 = 25,278.21/x
  3. Step 3: Cross multiply
    45,421.67x = 62,681.42 × 25,278.21
  4. Step 4: Simplify right side
    45,421.67x = 1,584,473,971.47
  5. Step 5: Solve for x
    x = 1,584,473,971.47/45,421.67
  6. Step 6: Final answer
    x = 34,883.66

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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.