Home / 34,261.48-47,273.70-21,681.64

Finding the Fourth Proportional to 34,261.48, 47,273.70 and 21,681.64

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Solution

The fourth proportional to 34,261.48, 47,273.70 and 21,681.64 is: 29,916.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,261.48 : 47,273.70 = 21,681.64 : x
  2. Step 2: Convert to fraction form
    34,261.48/47,273.70 = 21,681.64/x
  3. Step 3: Cross multiply
    34,261.48x = 47,273.70 × 21,681.64
  4. Step 4: Simplify right side
    34,261.48x = 1,024,971,344.87
  5. Step 5: Solve for x
    x = 1,024,971,344.87/34,261.48
  6. Step 6: Final answer
    x = 29,916.14

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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.