Home / 46,720.55-70,090.06-17,138.64

Finding the Fourth Proportional to 46,720.55, 70,090.06 and 17,138.64

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Solution

The fourth proportional to 46,720.55, 70,090.06 and 17,138.64 is: 25,711.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,720.55 : 70,090.06 = 17,138.64 : x
  2. Step 2: Convert to fraction form
    46,720.55/70,090.06 = 17,138.64/x
  3. Step 3: Cross multiply
    46,720.55x = 70,090.06 × 17,138.64
  4. Step 4: Simplify right side
    46,720.55x = 1,201,248,220.23
  5. Step 5: Solve for x
    x = 1,201,248,220.23/46,720.55
  6. Step 6: Final answer
    x = 25,711.35

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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.